WEB ONLY - Forest Service Structural elements of a trail, such as elevated boardwalks, bridges, and retaining walls, must be designed by a qualified engineer or architect. This is to protect the public from injury, as well as to protect the Forest Service from liability. Plastic lumber is sized like wooden lumber, but under stress it behaves much differently
2015 Northwest Wood Solutions Fair - WoodWorks As Western Red Cedar can be used as both structure and finish material, a review of structural properties, lumber grades, appearance options, installation and .. of the Construction Specifications Institute is a Certified Code Instructor, and is active on ASTM committees related to wood, fire, plastics and sustainability
Materials Report: Plastic Decking | JLC Online | Exteriors, Lumber . Apr 1, 2005 . According to Nosker's analysis, wood cellulose, a "polar" molecule that attracts water, does not bond chemically with polyethylene or similar "nonpolar" plastic polymers. Stress transfer between the materials is limited, Nosker says, so adding wood fiber to plastic lumber doesn't do much for its structural..
Products Catalog - Dunn Lumber Dunn Lumber is your place to buy high quality products around the Puget Sound!Plastic Lumber - King County Apr 28, 2016 . City of Seattle. 鈻?FOR MORE INFORMATION. 鈻?VENDOR INFORMATION. INTRODUCTION. Recycled plastic lumber is a product made from recovered plastic or recovered plastic mixed with other materials . conventional wood lumber applications, though it has different structural requirements and is not
Wood Plastic Composite Sill Plate for Continuous Anchorage of . WOOD PLASTIC COMPOSITE SILL PLATE FOR CONTINUOUS ANCHORAGE. OF SHEAR WALLS IN . Past studies have also shown that wood plastic composites (WPCs) can be utilized to reduce these problems and .. this critical, yet highly exposed, element is to require treated lumber for structural elements in contact..
Lumber, Building Materials & Supply - McLendon Hardware Products include structural blocks, interlocking paving stones, wall systems, retaining walls, ornamental and garden products and a full range of packaged concrete and . It was the first company to combine the durability of recycled plastic with the natural beauty of reclaimed wood in a high-performance decking product