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Acetylation reduces the moisture-driven dimensional movement of wood by more than half relative to the untreated species.

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

In plain terms

40 studies are indexed, but only 0 have been classified for or against — too few to state a consensus, so no share is calculated yet.

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 10 · WI-EV v1.0.0 · last swept 2026-09-18

Evidence Score

32

0–100, rule-based

Confidence

Low confidence

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

Consensus

Not yet calculated

0 support · 0 contradict · 40 unclassified · 0 directionally assessed

Studies

40

2000–2026

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, 32/100 total
Volume of evidence

0 directional studies, weighted by grade.

0/30
Study quality

Mean evidence grade 54/100 across the pool.

13/25
Agreement

Not scored: only 0 directional studies (3 needed).

0/20
Peer review

85% published in peer-reviewed venues.

9/10
Recency

Median publication year 2020.

7/10
Reproducibility

55% 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
200011000%
200112000%
200213000%
200414000%
200537000%
200718000%
2009210000%
2013212000%
2015113000%
2016215000%
2017116000%
2019117000%
2020421000%
2021526000%
2022228000%
2023331000%
2024435000%
2025237000%
2026138000%
Revision history9 published revisions
  1. v102 new studies indexed, Evidence Score -1 to 32.2026-09-09 · score 32 · 0%
  2. v91 new study indexed.2026-08-27 · score 33 · 0%
  3. v82 new studies indexed.2026-08-15 · score 33 · 0%
  4. v72 new studies indexed, Evidence Score -1 to 33.2026-08-10 · score 33 · 0%
  5. v6Evidence Score -20 to 34.2026-08-08 · score 34 · 0%
  6. v54 new studies indexed, Evidence Score -1 to 54.2026-08-08 · score 54 · 0%
  7. v45 new studies indexed, Evidence Score -1 to 55.2026-08-08 · score 55 · 0%
  8. v310 new studies indexed, Evidence Score -2 to 56.2026-08-06 · score 56 · 0%
  9. v214 new studies indexed, Evidence Score +58 to 58.2026-08-04 · score 58 · 0%
Every indexed record40 studies with stance, grade and citation count

Evaluation of weathering performance of acetylated hardwood species

Herrera Diaz, Rene, Sadak, Jakub, Gordobil, Oihana et al. · 2024 · Conference proceeding · doi:10.35511/978-963-334-518-4

The record mentions acetylated hardwood weathering but provides no measured dimensional movement relative to untreated wood.

Neutral

Grade D · 0 citations

Not peer-reviewed

Wood Modification in Europe

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

The report inventories European wood-modification activity without reporting acetylation effects on dimensional movement.

Neutral

Grade C · 59 citations

Not peer-reviewed

Wood modification technologies - a review

Dick Sandberg, Andreja Kutnar, George I. Mantanis · 2017 · iForest - Biogeosciences and Forestry · doi:10.3832/ifor2380-010

The review describes wood-modification technologies without establishing a greater-than-half reduction from acetylation.

Neutral

Grade B · 472 citations

Peer-reviewed

DIMENSIONAL STABILITY AND FUNGAL DURABILITY OF ACETYLATED WOOD

Roger ROWELL · 2016 · Drewno. Prace Naukowe, Doniesienia, Komunikaty = Wood. Research Papers, Reports, Announcements · doi:10.12841/wood.1644-3985.c14.04

Acetylation greatly improved dimensional stability, but no reduction exceeding half is reported.

Neutral

Grade C · 21 citations

Peer-reviewed

Dimensional Stabilization of Wood

Duygu Kocaefe, Xianai Huang, Yaşar Kocaefe · 2015 · Current Forestry Reports · doi:10.1007/s40725-015-0017-5

The title indicates dimensional stabilization generally but provides no acetylation-specific magnitude.

Neutral

Grade B · 109 citations

Peer-reviewed

Swelling of acetylated wood in organic solvents

E. Obataya, S. Shibutani · 2005 · Journal of Materials Science · doi:10.1007/s10853-005-0641-8

The title concerns swelling in organic solvents, not moisture-driven movement relative to untreated wood.

Neutral

Grade C · 10 citations

Peer-reviewed

Wood modification developments

W.J. Homan, Ajm André Jorissen · 2004 · TU/e Research Portal

The title identifies wood-modification developments but gives no acetylation-specific dimensional result.

Neutral

Grade B · 121 citations

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 v1.0.0 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). Acetylation reduces the moisture-driven dimensional movement of wood by more than half relative to the untreated species. (Evidence Engine WI-EV v1.0.0, claim version 10). Retrieved 2026-09-18, from https://woodintel.io/evidence/acetylation-dimensional-stability
BibTeX
@misc{woodintel_acetylation_dimensional_stability_2026,
  title  = {Acetylation reduces the moisture-driven dimensional movement of wood by more than half relative to the untreated species.},
  author = {{WoodIntel}},
  year   = {2026},
  note   = {Evidence Engine WI-EV v1.0.0, claim version 10, accessed 2026-09-18},
  url    = {https://woodintel.io/evidence/acetylation-dimensional-stability}
}
Open API
curl https://woodintel.io/api/public/v1/evidence?claim=acetylation-dimensional-stability

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.