Many manufacturers of hardboard and oriented strand board (OSB) siding have been hit with class-action lawsuits across the country. Oriented-strand board (OSB) siding is made from wood strands that are oriented in layers under heat and pressure. The top layer is resin...
Performance of Asphalt Fiberglass Shingles
Horizontal or vertical splitting or cracking of fiberglass shingles has been a concern in the roofing industry over recent years. Following complaints from roofing contractors, studies done by the Western States Roofing Contractors Association in 1992 and 1995 showed...
ASTM Task Group Addresses Challenges of Designing and Constructing Weather-Resistant Frame Buildings
History STM Task Group E06.21.14, chaired by Serge Fedorov, AIA, an architect with the Oakland, CA Housing Authority, is closing in on a national standard that is intended to result in low-rise frame buildings that are resistant to leaks. The draft document, entitled...
Architect Disciplined for Designing a Flat Deck
The Uniform Building Code requirements for plaza decks (waterproofed surfaces designed for pedestrian-type occupancy) has always been somewhat ambiguous in the past, inviting experts in construction litigation to testify both in defense of and in criticism of...
Environmentally Certified Wood Products
The Forest Stewardship Council (FSC) is an independent, non-profit, non-government organization that was founded in 1993 by a diverse group of representatives from environmental institutions, the timber trade, forestry professionals, indigenous peoples' organizations,...
Water Testing as a Diagnostic Tool for Building Leaks
In the field of construction diagnostics and litigation, water testing is frequently used to find the source of water intrusion, and less frequently, to proof test prototypical repairs. Selecting the type of test and conducting it properly is important, not only so...