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Regular maintenance of a film-forming coating extends the service life of exterior timber cladding more than the initial coating choice does.

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

In plain terms

21 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 5 · WI-EV v1.0.0 · last swept 2026-08-29

Evidence Score

21

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 · 21 unclassified · 0 directionally assessed

Studies

21

1986–2025

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, 21/100 total
Volume of evidence

0 directional studies, weighted by grade.

0/30
Study quality

Mean evidence grade 29/100 across the pool.

7/25
Agreement

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

0/20
Peer review

62% published in peer-reviewed venues.

6/10
Recency

Median publication year 2016.

7/10
Reproducibility

29% resolvable by DOI and independently checkable.

1/5
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
198611000%
200512000%
200813000%
201025000%
201316000%
201428000%
201619000%
2018110000%
2022212000%
2024315000%
2025116000%
Revision history4 published revisions
  1. v51 new study indexed, Evidence Score +2 to 21.2026-08-24 · score 21 · 0%
  2. v46 new studies indexed, Evidence Score +3 to 19.2026-08-15 · score 19 · 0%
  3. v3Evidence Score -20 to 16.2026-08-08 · score 16 · 0%
  4. v214 new studies indexed, Evidence Score +36 to 36.2026-08-08 · score 36 · 0%
Every indexed record21 studies with stance, grade and citation count

Bioinspired living coating system for wood protection

Poohphajai, Faksawat · 2025 · Aalto University publication series. Doctoral Theses. · doi:10.5281/zenodo.19133477

The proposed living wood coating remains poorly understood and does not compare regular maintenance with initial coating choice.

Neutral

Grade D · 0 citations

Not peer-reviewed

The impact of sustainability on fire safety

Mohammad Musa Al-Janabi · 2013 · doi:10.26686/wgtn.17004871

The abstract discusses fire risks of sustainable building features, not coating maintenance or timber cladding service life.

Neutral

Grade D · 0 citations

Not peer-reviewed

Coating Service Life and Maintenance Cost

Harlan H. Kline, Ko Keyman · 1986 · CORROSION 1986 · doi:10.5006/c1986-86027

The study evaluates coating maintenance costs and service estimates without testing exterior timber cladding or comparing maintenance against initial coating choice.

Neutral

Grade D · 0 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). Regular maintenance of a film-forming coating extends the service life of exterior timber cladding more than the initial coating choice does. (Evidence Engine WI-EV v1.0.0, claim version 5). Retrieved 2026-08-30, from https://woodintel.io/evidence/coating-maintenance-interval-extends-life
BibTeX
@misc{woodintel_coating_maintenance_interval_extends_life_2026,
  title  = {Regular maintenance of a film-forming coating extends the service life of exterior timber cladding more than the initial coating choice does.},
  author = {{WoodIntel}},
  year   = {2026},
  note   = {Evidence Engine WI-EV v1.0.0, claim version 5, accessed 2026-08-30},
  url    = {https://woodintel.io/evidence/coating-maintenance-interval-extends-life}
}
Open API
curl https://woodintel.io/api/public/v1/evidence?claim=coating-maintenance-interval-extends-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.