and other tile-related products. The Tile Council is recognized for its leadership role in
facilitating the development of North American and international industry quality
standards to benefit tile consumers. http://www.tileusa.com/
• TPI (Truss Plate Institute)
The Truss Plate Institute (TPI) is an organization devoted to addressing the market for
metal plate connected wood trusses and maintaining the industry on a sound
engineering basis. http://www.tpinst.org/
• Truss Accident Information
When accidents involving trusses occur on job sites, there are a number of serious and
important issues truss manufacturers need to be concerned about. A specific PDF is
provided with valuable information to consider when this unfortunate situation occurs,
and is available in the Engineering Reference Materials Help documentation found in
iDesign.
• WCLB (West Coast Lumber Inspection Bureau)
The West Coast Lumber Inspection Bureau (WCLB) is dedicated to developing and
maintaining uniform lumber standards for buyers, sellers and consumers of softwood
lumber. http://www.wclib.org/
• WWPA (Western Wood Products Association)
The Western Wood Products Association (WWPA) represents lumber manufacturers in
the 12 Western states and Alaska. WWPA provides services to Western mills in three
areas: Quality Assurance, Technical Services and Market Services. Member mills have
access and can guide Association activities in all three service areas. WWPA also
provides nonmember quality assurance services, including grade inspection, heat-
treating, re-manufactured wood, and glued products. http://www.wwpa.org/
