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Performance of Douglas-fir cross laminated timber (CLT) subjected to elevated humidity in a ground proximity field test for 6 years
2024 - IRG/WP 24-41010
The ability of insecticidal soil drenches or spray-on insecticide/fungicide treatments to protect mass timber elements exposed in a high moisture environment but out of direct soil contact was assessed using a modified AWPA ground proximity test established in 2017. Three-ply Douglas-fir CLT pieces measuring 305 x 355 x 105 mm (L x H x W) were installed at the Harrison Experimental Forest (HEF) (S...
M E Mankowski, J J Morrell, T G Shelton, G T Kirker
Field test method for wood in above ground situation - The full CEN/TC 38 guideline for the Sandwich method. Part 1 - Determining the relative protective effectiveness of a wood preservative
2024 - IRG/WP 24-41013
The attached draft CEN Technical Specification (i.e. pre-EN standard) has been drafted in order to become an alternative to the Lap-Joint test method (EN 12037:23) for testing of wood in above ground situation and the draft CEN/TS Part 1 is specifically intended for determining the relative protective effectiveness of a wood preservative. The new draft CEN/TS is based on a test method developed by...
M Westin, R Ringman, A Christof, F Friese