Performance of coated heat-treated wood

Saila Jämsä, Pirjo Ahola, Pertti Viitaniemi

Research output: Contribution to journalArticleScientificpeer-review

13 Citations (Scopus)


The heat treatment of wood is used in order to improve durability and to reduce hygroscopicity and dimensional changes. Pine and spruce were heat-treated at 225 degrees C for 6 hours. The panels were coated with the different types of surface finishes that are commonly used on exterior cladding, joinery and fences in Finland. Performance of the heat-treated and untreated specimens was monitored during three years outdoor exposure. The moisture content in the heat-treatment boards was not observed during the exposure. The original dark colour of the heat-treated wood is not stable to UV-light. The weather resistance of the heat-treated wood was improved by the coatings. Penetration of the coatings into the heat-treated wood and adhesion were good. The commercial paints tested can be recommended for heat-treated wood.
Original languageEnglish
Pages (from-to)297-300
JournalSurface Coatings International Part B: Coatings International
Issue number6
Publication statusPublished - 1999
MoE publication typeA1 Journal article-refereed


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