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Untreated larch cladding reaches a service life comparable to surface-treated softwood in temperate Northern European climates.

Under review — the register is reading the literature and will publish a conclusion once directional evidence has been indexed.

In plain terms

14 studies are indexed, but none has yet been classified for or against, so the record cannot answer this either way.

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 2 · WI-EV v1.0.0 · last swept 2026-08-04

Evidence Score

47

0–100, rule-based

Confidence

Low confidence

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

Consensus

0%

0 support · 0 contradict

Studies

14

2010–2025

Confidence is limited most by volume of evidence (0/30).

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, 47/100 total
Volume of evidence

0 directional studies, weighted by grade.

0/30
Study quality

Mean evidence grade 46/100 across the pool.

11/25
Agreement

0% of weighted directional evidence agrees.

20/20
Peer review

57% published in peer-reviewed venues.

6/10
Recency

Median publication year 2017.

7/10
Reproducibility

64% 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
201011000%
201123000%
201214000%
201315000%
201616000%
201717000%
201818000%
202019000%
2021110000%
2022111000%
2024112000%
2025113000%
Revision history1 published revision
  1. v214 new studies indexed, Evidence Score +47 to 47.2026-08-04 · score 47 · 0%
Every indexed record14 studies with stance, grade and citation count

Wood Modification in Europe

Luigi Todaro, Giacomo Goli, Dick Sandberg et al. · 2020 · Proceedings e report · doi:10.36253/978-88-6453-970-6

No abstract or finding tests untreated larch cladding against surface-treated softwood.

Neutral

Grade C · 59 citations

Not peer-reviewed

The wood from the trees: The use of timber in construction

Michael H. Ramage, Henry C. Burridge, Marta Busse‐Wicher et al. · 2016 · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2016.09.107

No abstract or finding compares untreated larch cladding with surface-treated softwood service life.

Neutral

Grade B · 1343 citations

Peer-reviewed

Phytophthora in forests and natural ecosystems

Paloma Abad‐Campos, Ana Cristina Coelho, Pilar Fernández‐Rebollo et al. · 2012 · DIGITAL.CSIC (Spanish National Research Council (CSIC))

The topic concerns forest Phytophthora rather than comparative cladding service life.

Neutral

Grade D · 58 citations

Not peer-reviewed

Studies of wooden cladding materials degradation by spectroscopy

Barun Shankar Gupta, Bjørn Petter Jelle, Hovde Per Jostein et al. · 2011 · Proceedings of the Institution of Civil Engineers - Construction Materials · doi:10.1680/coma.2011.164.6.329

No indexed abstract provides the claimed species-and-treatment service-life comparison.

Neutral

Grade C · 10 citations

Peer-reviewed

Physical-Mechanical Properties and Natural Durability of Lesser Used Wood Species from Mozambique

Alexandre Charifo Ali · 2011 · Epsilon Open Archive (Sveriges lantbruksuniversitet biblioteket (Swedish University of Agricultural Sciences))

The study concerns Mozambican wood durability and does not test untreated larch cladding.

Neutral

Grade D · 11 citations

Not peer-reviewed

Stance classification is automated and reviewed against each record's own abstract; it is a reading of the literature, not a measurement. The Evidence Score is a rule-based function of indexed metadata under method WI-EV v1.0.0and 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). Untreated larch cladding reaches a service life comparable to surface-treated softwood in temperate Northern European climates. (Evidence Engine WI-EV v1.0.0, claim version 2). Retrieved 2026-08-04, from https://woodintel.io/evidence/untreated-larch-service-life
BibTeX
@misc{woodintel_untreated_larch_service_life_2026,
  title  = {Untreated larch cladding reaches a service life comparable to surface-treated softwood in temperate Northern European climates.},
  author = {{WoodIntel}},
  year   = {2026},
  note   = {Evidence Engine WI-EV v1.0.0, claim version 2, accessed 2026-08-04},
  url    = {https://woodintel.io/evidence/untreated-larch-service-life}
}
Open API
curl https://woodintel.io/api/public/v1/evidence?claim=untreated-larch-service-life

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.