Water Repellency and Dimensional Stability of Southern Pine Decking Treated with Waterborne Resin Acids

摘要: Abstract Many residential consumers prefer that wood used in above‐ground exterior applications be protected by environmentally benign biocide systems and have good dimensional stability. To help achieve these two properties we are employing resin acids, a by‐product from the kraft pulping of pines, waterborne formulation. In an extremely harsh exposure, sets decking boards treated with acid system had water repellent were still effective after up to years exposure. The increased repellency reduced moisture gain following summer rainstorms about one‐third compared untreated matched samples, this was sufficient significantly reduce splitting half cupping one‐third. A wide variation rain observed for sapwood flatsawn decking, positively correlated extent checking. optimal use acids may prov...