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Effectivity of zinc borate in medium density fiberboard (MDF) for ground proximity testing
2024 - IRG/WP 24-20723
Medium-density fiberboard (MDF) is one of the most used and versatile wood composites. Most of its use has been focused on interior applications. Adhesives such as p-MDI (polymeric methyl diphenyl diisocyanate) provide MDF with a better performance against moisture, but resistance against decay is also required for outdoor use. A mix of wood fibers, p-MDI, and 0.75%-1.5% of ZB was made to produce ...
S M Vega Gutierrez, T Olivadoti
Field performance of preserved shakes and shingles
2024 - IRG/WP 24-41000
Wood shakes and shingles are used in applications where they are at risk of decay, either in sidewall (UC3.1) or roofing (UC3.2) applications. Material durability may come from using the heartwood of naturally durable species, using preservative treatments, or both. Through a series of long-term field tests, this paper explores the performance of naturally durable and preserved shakes and shingles...
R Stirling, S Kus
Evaluation of mass timber materials for military and commercial trailer decking
2024 - IRG/WP 24-41009
In this study, CLT trailer decking was manufactured to current military trailer decking specifications, verified using PRG320 performance criteria, and treated with either waterborne or oil borne wood preservatives. Preliminary results show adequate uptake of preservative solution and subsequent testing shows minimal effect due to treatment. Field durability tests are also being conducted of treat...
G Kirker, A Senalik, X Wang, K Ohno, R Arango, M Mankowski, X Xie, J Eskola, N Kamprath, S Karwaczynski, M Weaver