Skip to content
← Evidence Engine

Mass timber assemblies carry a higher built-in moisture risk during construction than they do in service.

The direction is unclear: only 2 directional studies are available (3 needed).Under review

In plain terms

The direction is unclear: only 2 directional studies are available (3 needed).

This sentence is generated from the same numbers shown below — consensus share, confidence band and the number of indexed studies. Open any section to see exactly how it was reached.

Version 16 · WI-EV v1.6.0 · last swept 2026-10-14

Evidence strength
Insufficient evidence
Unclear

How much and how good the evidence is, not whether the claim is true.

Confidence
Low confidence

Too few, too old or too conflicting sources to specify from.

Consensus
Not yet calculated

2 support · 0 contradict · 45 relevant – no direction · 2 directional

Studies
47

2004–2026

Insufficient evidence: 2 relevant directional studies (3 needed for a score).

Directional studies by test type
(a) Field test in the claim's exposure1
(b) Field test in a different exposure0
(c) Laboratory decay or weathering test0
(d) Mechanism or chemistry study1

Weighted in this order in the Evidence strength. Reviews are listed separately and never counted as directional studies (5 reviews). 3 duplicate records were merged (same title and authors under another identifier).

Behind the answer

All of the data, one click away.

Nothing here is hidden — it is folded, so the answer stays readable. Open any section to see exactly how the numbers were produced.

How the score is built6 weighted components, —/100 total
Volume of evidence

2 directional studies, weighted by grade.

1/30
Study quality

Mean evidence grade 48/100 across the pool.

12/25
Agreement

Not scored: only 2 directional studies (3 needed).

0/20
Peer review

68% published in peer-reviewed venues.

7/10
Recency

Median publication year 2021.

10/10
Reproducibility

57% resolvable by DOI and independently checkable.

3/5
Where the literature disagreesNo direct contradictions in the indexed pool

No direct contradictions in the indexed pool. That is not the same as agreement — it can also mean too few directional studies have been published to disagree yet.

How the consensus moved over timeConsensus recomputed using only the evidence published up to each year
YearPublishedCumulativeSupportContradictConsensus
200422000%
201113000%
201214000%
201326000%
201428000%
201519000%
2017413000%
2018114000%
2019620000%
202032310100%
202152810100%
202212910100%
202363520100%
202413620100%
202554120100%
202664720100%
Revision history15 published revisions
  1. v16WI-EV v1.6.0: Unclear. Direction calculated from existing weighted primary studies (2 support, 0 contradict). Evidence strength withheld: insufficient evidence; low confidence. Verdict thresholds: two-thirds weighted support or opposition, otherwise Mixed; fewer than three directional studies = Unclear. Score arithmetic, classifications and confidence thresholds unchanged. No score was set by hand. Re-swept; no change to the published figures.2026-10-14 · score insufficient · 100%
  2. v15WI-EV v1.5.0: tiers re-checked; above-ground field studies (EN 330, L-joint, lap-joint, double-layer, in-service surveys) are tier (a) for above-ground claims. 47 relevant primary studies, 2 directional (1 field in the claim's exposure). Evidence strength withheld: insufficient evidence. No score was set by hand. Re-swept; no change to the published figures.2026-10-14 · score insufficient · 100%
  3. v14WI-EV v1.4.0: studies weighted by test type (field in the claim's exposure > field elsewhere > laboratory > mechanism), reviews moved out of the directional pool (5), 3 duplicate records merged. 47 relevant primary studies, 2 directional (0 field in the claim's exposure). Evidence strength withheld: insufficient evidence. No score was set by hand. Re-swept; no change to the published figures.2026-10-14 · score insufficient · 100%
  4. v132 new studies indexed.2026-10-14 · score insufficient · 100%
  5. v1220 new studies indexed.2026-10-14 · score insufficient · 100%
  6. v11WI-EV v1.3.0 recall expansion: expanded query set, IRG-WP documents and OpenAlex citation chaining; every new record passed the same wood-domain rule and relevance classifier. 32 relevant studies, 1 directional. Evidence strength withheld: insufficient evidence. No score was set by hand. 10 new studies indexed.2026-10-14 · score insufficient · 100%
  7. v10WI-EV v1.2.0 relevance fix: 3 of 25 previously counted studies removed as not relevant (reasons kept in the public audit log); 22 relevant studies remain, 1 directional. Evidence strength withheld: insufficient evidence.2026-10-12 · score insufficient · 100%
  8. v91 new study indexed.2026-09-25 · score 36 · 100%
  9. v81 new study indexed.2026-08-25 · score 36 · 100%
  10. v72 new studies indexed.2026-08-16 · score 36 · 100%
  11. v61 new study indexed.2026-08-14 · score 36 · 100%
  12. v54 new studies indexed.2026-08-09 · score 36 · 100%
  13. v4Evidence strength -23 to 36.2026-08-08 · score 36 · 100%
  14. v32 new studies indexed, Evidence strength -2 to 59.2026-08-08 · score 59 · 100%
  15. v214 new studies indexed, Evidence strength +61 to 61, consensus 0% → 100%.2026-08-08 · score 61 · 100%
Every indexed record47 studies with stance, grade and citation count

Understanding the Risk of Entrapped Moisture in Mass Timber Roof and Floor Assemblies and the Use of Calibrated Hygrothermal Models to Assess Drying Remediations from Construction Wetting

Camille Roy, Graham Finch, Michael Wilkinson · 2026 · 2025 Buildings XVI International Conference · doi:10.63044/b16roy58 · Mechanism / chemistry

The title addresses entrapped moisture from construction wetting and drying remediation but does not compare construction and service risk.

Stance not stated in abstract

Judged from abstract

Grade C · 0 citations

Peer-reviewed

Moisture uptake and technical drying of cross-laminated Timber (CLT) Walls

Tomma Grensemann, Daniel Kehl, Jan Grobe et al. · 2026 · Journal of Physics: Conference Series · doi:10.1088/1742-6596/3302/1/012050 · Laboratory test

Unprotected CLT walls absorbed rain during construction above fibre saturation, but no in-service comparison was reported.

Stance not stated in abstract

Judged from abstract

Grade C · 0 citations

Peer-reviewed

Drying Strategies After Wetting of Cross-Laminated Timber: Effects on Deformation

Kristo Kalbe, Robin Ruus, Targo Kalamees · 2026 · Journal of Physics Conference Series · doi:10.1088/1742-6596/3302/1/012051 · Laboratory test

The study tested deformation after artificial end-grain wetting and drying, not construction versus service moisture risk.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 0 citations

Not peer-reviewed

Identifying Rot Decay risks and Comparing Design Criteria with Construction Performance for a Cross-Laminated Timber (CLT) Swimming Pool Building in Norway

Anders-Johan Almås, Magnar Berge, Anne Sofie Handal Bjelland · 2026 · Journal of Physics Conference Series · doi:10.1088/1742-6596/3302/1/012127 · Field, matching exposure

Construction moisture monitoring is described, but no findings comparing construction and service risks are reported.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 0 citations

Not peer-reviewed

Towards Predicting the Drying Response of Cross-Laminated Timber (CLT) Roof Assemblies in Service - The Impact of Assembly Design and Construction on Hygrothermal Performance and Mould Risk

Dorothy Johns · 2025 · doi:10.32920/30466616.v1 · Field, matching exposure

The abstract identifies wetting concerns during both construction and service but reports no finding that construction risk is higher.

Also indexed as: doi:10.32920/30466616

Stance not stated in abstract

Judged from abstract

Grade C · 0 citations

Peer-reviewed

Durability Assessment of Mass Timber Construction With Built-In Moisture: Simulating Cross-Laminated Timber and Dowel-Laminated Timber

Anke Blommaert, Nathan Van Den Bossche, Marijke Steeman · 2025 · Lecture Notes in Civil Engineering · doi:10.1007/978-3-032-09054-6_38 · Mechanism / chemistry

The title assesses mass-timber durability with built-in moisture but gives no finding comparing construction and service risk.

Stance not stated in abstract

Judged from abstract

Grade C · 0 citations

Peer-reviewed

MOISTURE MONITORING OF MASS TIMBER BUILDING - STUDY OF CONDITION VARIATION AND BUILDING ENVIRONMENT DESIGN

Maryam Shirmohammadi, Marcus Strang, Paola Leardini et al. · 2025 · World Conference on Timber Engineering (WCTE) · doi:10.52202/080513-0316 · Field, matching exposure

The study identifies construction and in-service moisture sources, but the abstract reports no comparison of their risks.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 0 citations

Not peer-reviewed

Method for monitoring the moisture response of a Cross Laminated Timber(CLT) panel buildings

Gabriele Tamagnone, Robert Hairstans, James Martin et al. · 2023 · Method for monitoring the moisture response of a Cross Laminated Timber(CLT) panel buildings · doi:10.14293/icmb230019 · Mechanism / chemistry

The title presents a CLT moisture-monitoring method without findings about construction versus in-service moisture risk.

Stance not stated in abstract

Judged from abstract

Grade C · 1 citations

Peer-reviewed

FEDERATED USE OF HYGROTHERMAL MONITORING DATA IN MASS TIMBER BUILDINGS: OPPORTUNITIES AND CHALLENGES

Mariapaola Riggio, Jan Včelák, Pekka Kaitaniemi et al. · 2023 · World Conference on Timber Engineering (WCTE) · doi:10.52202/069179-0507 · Field, matching exposure

Monitoring covered construction and service, but the abstract reports no comparative moisture-risk findings.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 4 citations

Not peer-reviewed

INVESTIGATING THE EFFECTS OF MOISTURE INGRESS ON THE PERFORMANCE AND SERVICE LIFE OF MASS TIMBER PANELS IN AUSTRALIAN CLIMATES- CHARACTERIZATION OUTCOMES

Maryam Shirmohammadi · 2023 · World Conference on Timber Engineering (WCTE) · doi:10.52202/069179-0079 · Mechanism / chemistry

The study examines moisture ingress and egress across construction and post-construction but reports no comparative risk finding.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 0 citations

Not peer-reviewed

Structural health monitoring data collected during construction of a mass-timber building with a data platform for analysis

Esther J. Baas, Mariapaola Riggio, André R. Barbosa · 2021 · Data in Brief · doi:10.1016/j.dib.2021.106845 · Field, other exposure

Full text: The study measures moisture during construction but provides no in-service results, so it cannot establish whether moisture risk is higher during construction than during service. — “In-service monitoring is a topic of future research.”

Relevant – no direction

Judged from full text

Grade B · 18 citations

Peer-reviewed

Impact on a CLT structure concerning moisture and mould growth using weather protection

Charlotte Svensson Tengberg, Åsa Bolmsvik · 2021 · Journal of Physics Conference Series · doi:10.1088/1742-6596/2069/1/012017 · Field, matching exposure

The study examines construction weather protection, hygrothermal conditions, and mould potential without comparison to in-service moisture risk.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 11 citations

Not peer-reviewed

Built-in moisture in cross-laminated timber roofs – a field study

Jørn Emil Gaarder, T D Pettersen · 2021 · Journal of Physics Conference Series · doi:10.1088/1742-6596/2069/1/012051 · Field, matching exposure

The field study investigated built-in moisture in CLT roofs after years of service without comparing construction and service risk.

Conference paper (not journal peer review)

Stance not stated in abstract

Judged from abstract

Grade D · 4 citations

Not peer-reviewed

Moisture Monitoring Data of Mass Timber Elements During Prolonged Construction Exposure: The Case of the Forest Science Complex (Peavy Hall) at Oregon State University

Mariapaola Riggio, Evan Schmidt, Gamal Mustapha · 2019 · Frontiers in Built Environment · doi:10.3389/fbuil.2019.00098 · Field, other exposure

Full text: The study monitored moisture during construction, but in-service monitoring was only being installed; it provides no measured comparison of construction versus service moisture risk. — “Installation of a total of 285 permanent sensors is in process in the building at the time of writing, and is not described in this Data Report.”

Relevant – no direction

Judged from full text

Grade A · 25 citations

Peer-reviewed

Structure Moisture Monitoring of an 8-Story Mass Timber Building in the Pacific Northwest

Steven Kordziel, Shiling Pei, Samuel V. Glass et al. · 2019 · Journal of Architectural Engineering · doi:10.1061/(asce)ae.1943-5568.0000367 · Field, matching exposure

Monitoring identifies construction wetting and slow drying of mass timber but provides no comparison with in-service moisture risk.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2020.106866

Stance not stated in abstract

Judged from abstract

Grade B · 43 citations

Peer-reviewed

A case study on the construction of a CLT building without a preliminary roof

Eneli Liisma, Babette Liseth Kuus, Villu Kukk et al. · 2019 · Journal of Sustainable Architecture and Civil Engineering · doi:10.5755/j01.sace.25.2.22263 · Field, matching exposure

The case study monitored installation moisture under differing protection conditions but the provided abstract reports no result.

Stance not stated in abstract

Judged from abstract

Grade C · 21 citations

Peer-reviewed

Moisture Monitoring of Cross Laminated Timber Building Components

Evan Schmidt · 2018 · Field, other exposure

The title establishes moisture monitoring of CLT components but reports no construction-versus-service comparison.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2018.11.038

Stance not stated in abstract

Judged from abstract

Grade D · 2 citations

Not peer-reviewed

Impact of cracks to the hygrothermal properties of CLT water vapour resistance and air permeability

Villu Kukk, R. Horta, M. Püssa et al. · 2017 · Energy Procedia · doi:10.1016/j.egypro.2017.10.019 · Laboratory test

Moisture reduction caused CLT cracking and altered hygrothermal properties, without comparing construction and service moisture risks.

Conference paper (not journal peer review) · Found by citation chaining — reference of doi:10.1016/j.buildenv.2020.106866

Stance not stated in abstract

Judged from abstract

Grade D · 19 citations

Not peer-reviewed

Moisture conditions of rain-exposed glue-laminated timber members: the effect of different detailing

Jonas Niklewski, Tord Isaksson, Eva Frühwald Hansson et al. · 2017 · Wood Material Science and Engineering · doi:10.1080/17480272.2017.1384758 · Field, other exposure

Rain-exposed glulam moisture varied with detailing, but construction and service risks were not compared.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2018.11.038

Stance not stated in abstract

Judged from abstract

Grade B · 29 citations

Peer-reviewed

Hygrothermal Properties of Cross Laminated Timber Panels

Jaya Tripathi · 2017 · DigitalCommons (California Polytechnic State University) · Mechanism / chemistry

The study characterizes CLT heat and moisture transfer properties but does not compare construction and in-service moisture risk.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2018.11.038

Stance not stated in abstract

Judged from abstract

Grade C · 3 citations

Peer-reviewed

Hygrothermal performance of cross-laminated timber wall assemblies: A stochastic approach

Lin Wang, Hua Ge · 2015 · Building and Environment · doi:10.1016/j.buildenv.2015.11.034 · Mechanism / chemistry

The title addresses CLT wall hygrothermal performance but gives no construction-versus-service moisture comparison.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2020.106866

Stance not stated in abstract

Judged from abstract

Grade B · 69 citations

Peer-reviewed

Outlook for Cross-Laminated Timber in the United States

Maria Fernanda Laguarda Mallo, Omar Espinoza · 2014 · BioResources · doi:10.15376/biores.9.4.7427-7443 · Mechanism / chemistry

The CLT market study assesses perceived adoption barriers but reports no construction-versus-service moisture-risk finding.

Found by citation chaining — cites doi:10.1016/j.buildenv.2004.10.017

Stance not stated in abstract

Judged from abstract

Grade B · 79 citations

Peer-reviewed

Gebäudeklima – Langzeitmessung zur Bestimmung der Auswirkungen auf Feuchtegradienten in Holzbauteilen

Andreas Gamper, Philipp Dietsch, Michael Merk et al. · 2013 · Bautechnik · doi:10.1002/bate.201300010 · Field, other exposure

Long-term measurements link indoor climatic fluctuations to moisture gradients and cracking in glulam, without comparing construction and service risks.

Found by citation chaining — reference of doi:10.3390/buildings9060144

Stance not stated in abstract

Judged from abstract

Grade C · 14 citations

Peer-reviewed

Preliminary Characterization of Physical Properties of Cross-Laminated-Timber (CLT) Panels for Hygrothermal Modelling

George Alsayegh, Phalguni Mukhopadhyaya, Jieying Wang et al. · 2013 · Advances in Civil Engineering Materials · doi:10.1520/acem20120048 · Mechanism / chemistry

The study characterizes CLT physical properties for hygrothermal modeling but does not compare construction and service moisture risk.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2018.11.038

Stance not stated in abstract

Judged from abstract

Grade C · 23 citations

Peer-reviewed

Moisture conditions in coated glulam beams and columns during weathering

Karin Sandberg, Anna Pousette, Lars‐Olof Nilsson · 2011 · Field, other exposure

The title addresses weathering moisture in coated glulam without comparing construction and in-service conditions.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2018.11.038

Stance not stated in abstract

Judged from abstract

Grade C · 6 citations

Peer-reviewed

Moisture buffering capacity of heavy timber structures directly exposed to an indoor climate: a numerical study

Stéphane Hameury · 2004 · Building and Environment · doi:10.1016/j.buildenv.2004.10.017 · Mechanism / chemistry

The study examines heavy timber moisture buffering under indoor service conditions without comparison to construction moisture.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2013.09.008

Stance not stated in abstract

Judged from abstract

Grade B · 139 citations

Peer-reviewed

Heat and moisture buffering capacity of massive wood construction

Stéphane Hameury · 2004 · Field, other exposure

The study investigates indoor moisture buffering by massive wood but does not compare construction-stage and in-service moisture risks.

Found by citation chaining — reference of doi:10.1016/j.buildenv.2004.10.017

Stance not stated in abstract

Judged from abstract

Grade C · 5 citations

Peer-reviewed

Reviews and syntheses5 reviews — shown for context, never counted as directional studies or in the volume of evidence.
How this claim was searched124 records screened in the last search · 47 relevant · 13 relevant added via citation chaining
Records screened
124
Passed wood-domain rule
93
Relevant in pool
47
Relevant via citation chaining
13

Last search 2026-10-14 · WI-EV v1.3.0 · 44 new records added to the queue (44 from 76 citation-chain records, 0 from 15 IRG-WP documents). Every record passes the same wood-domain rule and relevance classifier; screened counts are unique records across all queries and sources.

Queries used (6)

  • Primary · mass timber CLT construction moisture built-in wetting drying hygrothermal monitoring
  • CLT moisture construction phase wetting drying
  • cross-laminated timber moisture monitoring building
  • mass timber rain exposure construction moisture content
  • timber building hygrothermal simulation moisture risk
  • glulam CLT drying after wetting

Sources: 16 open registries (primary query) · OpenAlex wood-domain search (all queries) · IRG-WP documents (all queries) · OpenAlex citation chaining

Excluded as not relevant94 studies removed from the pool and every score component. Kept here for audit with the reason.

Shake-Table Testing of a Full-Scale 10-Story Resilient Mass Timber Building

The building test evaluates seismic structural resilience, not moisture exposure during construction or service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1061/jsendh.steng-13752

Circular economy strategies in modern timber construction as a potential response to climate change

The title concerns circular-economy and climate strategies rather than moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.jobe.2023.107229

On sorption hysteresis in wood: Separating hysteresis in cell wall water and capillary water in the full moisture range

The study measures wood sorption hysteresis across moisture ranges, not mass timber assembly risks by building phase.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1371/journal.pone.0225111

Feasibility study to estimate the environmental benefits of utilising timber to construct high-rise buildings in Australia

The study concerns environmental benefits of timber high-rises, not moisture risk during construction or service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.buildenv.2018.09.052

Biological Deterioration and Natural Durability of Wood in Europe

The review addresses biological deterioration and natural wood durability without comparing construction and service moisture exposure.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.3390/f14020283

A robust, anti-acid, and high-temperature–humidity-resistant superhydrophobic surface of wood based on a modified TiO2 film by fluoroalkyl silane

The title concerns a treated wood surface’s humidity resistance, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.surfcoat.2014.12.005

The influence of wooden interior materials on indoor environment: a review

The review examines indoor environmental quality and moisture buffering, not construction-stage versus in-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-020-01532-x

Wood Modification Technologies

The book discusses wood modification and durability without establishing comparative moisture risk during mass timber construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1201/9781351028226

Surfactant-free carnauba wax dispersion and its use for layer-by-layer assembled protective surface coatings on wood

The title concerns wax-based protective wood coatings but establishes no mass timber construction-versus-service moisture finding.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.apsusc.2016.11.132

A Review of the Performance and Benefits of Mass Timber as an Alternative to Concrete and Steel for Improving the Sustainability of Structures

The review addresses mass timber sustainability and structural alternatives without reporting moisture risk during construction versus service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.3390/su14095570

Emerging Engineered Wood for Building Applications

The review discusses chemically modified engineered wood and sustainability without establishing construction-stage or in-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1021/acs.chemrev.2c00450

Retarded sorption in wood : experimental study, analyses and modeling

The thesis models retarded sorption in thin wood samples, not moisture risk across mass timber construction and service phases.

Classifier · WI-EV v1.3.0 · 2026-10-14

Studies of water vapor transport and sorption in wood

The thesis measures vapor sorption in wood samples without addressing mass timber assemblies or construction-versus-service exposure.

Classifier · WI-EV v1.3.0 · 2026-10-14

Passage of Liquids, Vapors, and Dissolved Materials Through Softwoods

The title concerns fluid transport through softwoods, not moisture risk in mass timber assemblies during construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.22004/ag.econ.169993

Environmental Impacts of Treated Wood

The book concerns environmental and health impacts of treated wood rather than moisture exposure in mass timber construction.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1201/9781420006216

Wood handbook : wood as an engineering material.

The broad engineering handbook title establishes no finding about construction-stage versus in-service moisture risk in mass timber.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.2737/fpl-gtr-113

Preparation and Properties of Heat-treated Masson Pine (Pinus massoniana) Veneer

The study measures heat-treated veneer properties and water absorption, not moisture risk in mass timber assemblies across building phases.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.15376/biores.10.2.3451-3461

Bending Strength and Stiffness of Glulam Beams Made of Thermally Modified Beech Timber

The work evaluates glulam bending strength and stiffness, not moisture risk during construction versus service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/978-94-007-7811-5_52

Wood-Water Relations

Title indicates general wood-water relations without establishing comparative moisture risk in mass timber construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/978-3-642-73683-4

Durability of light organic solvent preservative (LOSP) treatments for softwood glulam

Study concerns preservative-treatment durability in softwood glulam, not construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.ibiod.2013.02.003

Wood Structures: A Global Forum on the Treatment, Conservation, and Repair of Cultural Heritage

Publication addresses conservation and repair of historic wooden structures, not mass timber construction moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1520/stp1351-eb

Effects of Thermal Conductivity Data on Accuracy of Modeling Heat Transfer in Wood

Study evaluates heat-transfer modeling accuracy in solid wood, not moisture exposure during construction or service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1515/hf.2003.047

High Resolution Measurement of the Surface Layer Moisture Content during Drying of Wood Using a Novel Magnetic Resonance Imaging Technique

MRI measured Scots pine moisture profiles during controlled drying, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1515/hf.2002.050

Eco‐efficient wood protection

Furfurylated wood showed decay resistance and low ecotoxicity, properties unrelated to comparative mass timber moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1108/14777830410553979

Contribution of indoor exposed massive wood to a good indoor climate: in situ measurement campaign

Study measures massive wood's contribution to indoor climate, without comparing construction and in-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.enbuild.2003.12.003

Chemical extractive compounds determining the brown-rot decay resistance of teak wood

Study concerns teak extractives and brown-rot resistance, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-006-0127-7

Weathering of chemically modified wood surfaces

Study examines weathering of chemically modified wood surfaces, not construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s002260000039

Development of Commercial Wood Preservatives

Work addresses preservative development and service life, not moisture exposure of mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1021/bk-2008-0982

Principles of Wood Science and Technology: I Solid Wood

General wood science reference does not report comparative moisture risk in mass timber construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14

Chemical changes in hydrothermal treated wood: FTIR analysis of combined hydrothermal and dry heat-treated wood

Study concerns chemical changes from hydrothermal and dry-heat treatment, not construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-004-0532-8

Wood Modification: Chemical, Thermal and Other Processes

The book covers wood modification and wood-water relationships without testing moisture risk in mass timber construction versus service.

Classifier · WI-EV v1.3.0 · 2026-10-14

Transport Processes in Wood

The title concerns general transport processes in wood, not moisture exposure across mass timber construction and service stages.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/978-3-642-69213-0

Handbook of Wood Chemistry and Wood Composites

The handbook broadly covers wood chemistry and composites without establishing comparative construction and in-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1201/9780203492437

Effects of species and moisture content on penetration of liquid in laser incised lumber by the passive impregnation method

The title examines liquid penetration into laser-incised lumber, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-008-0292-y

Production of glued laminated timber with copper azole treated maritime pine

The title concerns producing preservative-treated glulam and provides no finding on construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-009-0373-6

Effects of ACQ preservative treatment on the mechanical properties of hardwood glulam

The study measures mechanical properties of preservative-treated hardwood glulam, not moisture risk during construction versus service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-011-0584-5

Predicting equilibrium moisture content of wood by mathematical models

The study compares models of wood equilibrium moisture content without examining mass timber assemblies or construction exposure.

Classifier · WI-EV v1.3.0 · 2026-10-14

Mass timber construction as an alternative to concrete and steel in the Australia building industry: a PESTEL evaluation of the potential

The conceptual PESTEL evaluation reports mass timber viability and advantages but does not assess construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1179/2042645315y.0000000010

Deterioration and Protection of Sustainable Biomaterials

The chapter concerns fungal biodegradation mechanisms rather than moisture risk during mass timber construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1021/bk-2014-1158

Effect of accelerated weathering on surface chemistry of modified wood

The title examines weathering effects on modified-wood surface chemistry, not construction and service moisture risks.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.apsusc.2006.12.005

Heartwood formation and natural durability - a review

The review addresses heartwood formation and natural decay resistance, not moisture exposure of mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Wood--influence of moisture on physical properties

The title concerns wood physical properties under moisture, not construction-versus-service moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

A methodological approach for structural health monitoring of mass-timber buildings under construction

The title concerns structural health monitoring during construction without identifying moisture as the monitored risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.conbuildmat.2020.121153

Exploring the synergy between structural engineering design solutions and life cycle carbon footprint of cross-laminated timber in multi-storey buildings

The study analyzes CLT structural design and lifecycle carbon footprint rather than built-in moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1080/17480272.2021.1974937

Self-centering mass timber structures: A review on recent research progress

The title concerns self-centering structural behavior, not moisture exposure or durability.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.engstruct.2024.117474

An experimental investigation into the comparative hygrothermal performance of wall panels incorporating wood fibre, mineral wool and hemp-lime

The tested wall panels use wood fibre, mineral wool, and hemp-lime rather than mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.enbuild.2018.01.028

Nested Buildings: An Innovative Strategy for the Integrated Seismic and Energy Retrofit of Existing Masonry Buildings with CLT Panels

The study examines seismic and energy retrofit with CLT panels, not moisture risk across construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.3390/su13031188

Hybrid timber-based structures: A state of the art review

The review addresses hybrid structural performance broadly without comparing construction and in-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.conbuildmat.2022.129505

Hygrothermal performance of wood-hemp insulation in timber frame wall panels with and without a vapour barrier

The study concerns wood-hemp insulation in lightweight timber-frame walls, not mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.buildenv.2015.04.025

Moisture content-water potential relationship of red pine sapwood above the fiber saturation point and determination of the effective pore size distribution

The study concerns red pine sapwood moisture-potential relationships and pore size, not mass timber building exposure.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/bf00223556

Structural health monitoring of an innovative timber building

The monitoring targets long-term structural behavior of timber-hybrid systems, not moisture exposure or built-in moisture.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.14264/uql.2016.699

Construction management for tall CLT buildings: From partial to total prefabrication of façade elements

The study evaluates CLT construction scheduling and façade prefabrication rather than moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1080/17480272.2015.1075589

Sorption and capillary condensation in wood and the moisture content of red pine

The study measures red pine sapwood sorption at high humidity, not mass timber assembly moisture across building phases.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1177/1744259112453829

Myth versus reality: Do parabolic sorption isotherm models reflect actual wood–water thermodynamics?

The study concerns wood–water sorption thermodynamics rather than construction and service moisture risks in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00226-018-1035-9

Not Just Lumber—Using Wood in the Sustainable Future of Materials, Chemicals, and Fuels

The title concerns broad sustainable uses of wood, not moisture risk in mass timber buildings.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s11837-016-2026-7

The Effect of Component Removal Upon the Porous Structure of the Cell Wall of Wood. II. Swelling in Water and the Fiber Saturation Point

The work addresses wood cell-wall swelling and fiber saturation, not moisture risk in mass timber buildings.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.32964/tj50.10.496

Development of decay performance models for outdoor timber structures

The study concerns decay modeling for outdoor timber structures rather than construction-stage versus in-service moisture risk in mass timber.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1617/s11527-012-9965-4

In situ assessment of structural timber using non-destructive techniques

The title concerns nondestructive assessment of structural timber, not comparative moisture exposure during construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1617/s11527-013-0093-6

World Conference on Timber Engineering

The conference title provides no finding concerning moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1002/bate.199803690

Wood handbook: wood as an engineering material

The handbook broadly summarizes engineering wood properties without establishing comparative moisture risk for mass timber construction and service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.2737/fpl-gtr-190

Moisture Content-Water Potential Characteristic Curves for Red Oak and Loblolly Pine

The study measures desorption characteristics of red oak and loblolly pine rather than moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Monitoring the long-term behaviour of timber structures

The title concerns long-term structural monitoring without establishing moisture behavior in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s13349-014-0095-2

Moisture content penetration in wood elements under varying boundary conditions

The title addresses moisture penetration in unspecified wood elements, not mass timber construction versus in-service risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00226-007-0131-z

Moisture relations and physical properties of wood

The title addresses general wood moisture relations and physical properties, not mass timber building phases.

Classifier · WI-EV v1.3.0 · 2026-10-14

Dynamic response of an innovative hybrid structure in hardwood

The study concerns structural dynamic response and long-term sensing, not moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1680/coma.14.00043

Moisture Content Monitoring of a Timber Footbridge

The study monitors moisture in a timber footbridge, not phase-specific risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.15376/biores.11.2.3904-3913

Cross laminated timber properties including effects of non-glued edges and additional cracks

The title concerns CLT edge bonding and cracks without establishing moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-017-1202-y

A Framework for Assessing the Environmental Benefits of Mass Timber Construction

The abstract assesses environmental benefits of mass timber rather than moisture exposure or durability.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.proeng.2017.08.015

The influences of moisture content variation, number and width of gaps on the withdrawal resistance of self tapping screws inserted in cross laminated timber

The title examines screw withdrawal resistance under moisture variation, not phase-specific moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/j.conbuildmat.2016.09.008

Influence of wood moisture content on bending and shear stiffness of cross laminated timber panels

The title examines moisture effects on CLT mechanical stiffness rather than construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00107-010-0416-z

Methodology and Design of Field Experiments for Monitoring the Hygrothermal Performance of Wood Frame Enclosures

The abstract concerns monitoring methodology for wood-frame enclosures, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1177/0075424202026002098

Methods to determine wood moisture content and their applicability in monitoring concepts

The title addresses generic wood moisture measurement methods, not mass timber construction-versus-service risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s13349-014-0082-7

Water Vapor Sorption Isotherms for Southern Pine Treated with Several Waterborne Preservatives

The study measures preservative effects on southern pine hygroscopicity, not mass timber assembly moisture risk by project stage.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1520/jte102696

CLT handbook : cross-laminated timber

The CLT handbook title identifies mass timber but provides no indexed finding about construction-versus-service moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14

Effect of Moisture Content and Temperature on the Mechanical Properties of Wood: An Analysis of Immediate Effects

The study concerns immediate moisture effects on clear-wood mechanical properties, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

A critical discussion of the physics of wood–water interactions

The review addresses fundamental wood–water interactions rather than moisture exposure across mass timber construction and service stages.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/s00226-012-0514-7

Forest Products and Wood Science: An Introduction

The textbook surveys wood science topics without establishing construction-versus-service moisture risk for mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Forest Products and Wood Science An Introduction

The general forest-products textbook title provides no finding about mass timber moisture risk during construction versus service.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1002/9780470960035

L-joint based testing for service life prediction of exterior plywood in out of ground contact conditions

The study tests exterior plywood moisture behavior, a different product and exposure from mass timber construction.

Classifier · WI-EV v1.3.0 · 2026-10-14

Permanence of permethrin and bifenthrin in framing timbers subjected to hazard class 3 exposure

The study measures insecticide retention in exposed pine framing rather than moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Test Methods – Performance Based Requirements

The paper critiques general wood durability testing without assessing moisture risk in mass timber construction or service.

Classifier · WI-EV v1.3.0 · 2026-10-14

Leaching of preservative components from pine decking treated with CCA and copper azole, and interactions of leachates with soils

The study quantifies preservative leaching from pine decking, not moisture accumulation in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Service life prediction of plywood

The work evaluates plywood durability under moist conditions, not construction-versus-service moisture risk in mass timber.

Classifier · WI-EV v1.3.0 · 2026-10-14

Leaching of active components from preservative-treated timber - Ongoing research: Status after approx. 4 months’ out-door exposure

The study measures preservative leaching from treated wood during outdoor exposure, not moisture risk in mass timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Hygrothermal calculations and laboratory tests on timber-framed wall structures

The title concerns timber-framed walls, not mass-timber assemblies or construction-stage built-in moisture.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1016/s0360-1323(02)00207-x

Issues Facing Wood Preservation in New Zealand Today

The paper addresses preservative use, health, and decay issues rather than mass-timber construction moisture.

Classifier · WI-EV v1.3.0 · 2026-10-14

Leaching of Active Components from Preservative Treated Timber. Stage 1: Semi-Field Testing

The study measures preservative leaching from treated panels, not built-in moisture risk in mass-timber assemblies.

Classifier · WI-EV v1.3.0 · 2026-10-14

Subterranean termite attack potential in field test sites: assessment methods and field characterization

The study measures termite activity in plantations, fallen wood, and soil rather than mass-timber building moisture.

Classifier · WI-EV v1.3.0 · 2026-10-14

Describing non-Fickian water-vapour sorption in wood

The title concerns general wood-vapour sorption rather than mass-timber construction or service exposure.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1007/bf00363428

Timber Frame Construction

The chapter broadly covers timber-frame design and does not establish moisture risk for mass timber.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.1002/9783433612033.ch18

Is Cross-Laminated Timber (CLT) a Wood Panel, a Building, or a Construction System? A Systematic Review on Its Functions, Characteristics, Performances, and Applications

The review concerns CLT functions, characteristics, and applications, with no stated assessment of moisture risk.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.3390/f14020264

Effects of wetting events on mass timber surface microbial communities and VOC emissions: implications for building operation and occupant well-being

The study measures microbial communities and VOC emissions after wetting rather than built-in moisture risk across building stages.

Classifier · WI-EV v1.3.0 · 2026-10-14
doi:10.3389/frmbi.2025.1395519

Moisture, Materials, and HVAC systems – some insight into hygrothermal interactions at different scales.

The abstract broadly discusses hygrothermal interactions in construction materials without findings specific to mass timber construction versus service.

Classifier · WI-EV v1.2.0 · 2026-10-12

PRELIMINARY INVESTIGATION ON THE STRUCTURAL AND HYGROTHERMAL PERFORMANCES OF CLT WITH AIRGAPS

The study compares structural and hygrothermal performance of air-gapped CLT configurations, not moisture risk across construction and service.

Classifier · WI-EV v1.2.0 · 2026-10-12
doi:10.52202/080513-0277

Evaluating Hygrothermal Characteristics of Cross-Laminated Timber (Clt) to Examine the Impacts of Adhesives

The title examines adhesive effects on CLT hygrothermal characteristics rather than construction-versus-service moisture exposure.

Classifier · WI-EV v1.2.0 · 2026-10-12
doi:10.2139/ssrn.4999667

Stance classification is automated and reviewed against each record's own abstract; it is a reading of the literature, not a measurement. The Evidence strength is a rule-based function of indexed metadata under method WI-EV v1.6.0 and does not constitute proof of the statement.

Cite this claim

Citable, versioned, machine-readable.

Each claim keeps a permanent URL and a version number. Cite the version you read — earlier conclusions stay visible in the revision history above.

APA
WoodIntel. (2026). Mass timber assemblies carry a higher built-in moisture risk during construction than they do in service. (Evidence Engine WI-EV v1.6.0, claim version 16). Retrieved 2026-10-15, from https://woodintel.io/evidence/mass-timber-hygrothermal-risk
BibTeX
@misc{woodintel_mass_timber_hygrothermal_risk_2026,
  title  = {Mass timber assemblies carry a higher built-in moisture risk during construction than they do in service.},
  author = {{WoodIntel}},
  year   = {2026},
  note   = {Evidence Engine WI-EV v1.6.0, claim version 16, accessed 2026-10-15},
  url    = {https://woodintel.io/evidence/mass-timber-hygrothermal-risk}
}
Open API
curl https://woodintel.io/api/public/v1/evidence?claim=mass-timber-hygrothermal-risk

Returns the score, the indexed studies with stance and grade, the contradictions, the timeline and the full revision history. Open under CC BY 4.0 — API documentation.