Performance of coated heat treated Scots pine and Norway spruce after 15 years outdoor exposure

Hannu Viitanen, Saila Jämsä

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientific


The aim of this study was to assess the long term performance of the coating systems on Scots pine, Norway spruce and Thermowood after 15 years outdoor exposure in Southern Finland. Two different coatings systems were used: 1) joinery paints, with all surfaces coated, 2) the paint systems for claddings and fence, with only back side uncoated. Coating system has great influence on the performance of wood. With a two or three layer system the best performance was obtained and wood species has minor effect on the performance, especially when well performing coating system is used. Wood species has a greater importance in case of "low performing" coating.
Original languageEnglish
Title of host publicationPRA's 7th International Woodcoatings Congress: Reducing the Environmental Footprint
Subtitle of host publicationThe Netherlands, 12-13 October 2010, congress papers
Place of PublicationHampton, UK
Number of pages7
Publication statusPublished - 2010
MoE publication typeB3 Non-refereed article in conference proceedings


  • wood
  • heat treated wood
  • coatings
  • service life
  • field tests


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