The Engineered Wood Association
www.apawood.org |
American
Wood Preservers' Association www.awpa.com |
The Canadian Wood Council
www.cwc.ca |
National Lumber Grades Authority
www.nlga.org |
Western
Wood Products Association
www.wwpa.org |
Southern Pine Inspection Bureau
www.spib.org |
Timber
Products Inspection, Inc.
www.tpinspection.com |
Wood Products Certification & Testing
www.tecotested.com |
Ontario
Lumber Manufacturer's Association
www.olma.ca |
House Wrap www.tyvek.com |
Simpson
Metal Products www.strongtie.com
|
Fiber Cement Siding www.jameshardie.com |
Exterior
Trim www.miratectrim.com |
Dens Glass Gold www.gp.com/gypsum |
Gypsum
Sheathing www.gypsumsolutions.com |
LVL & PSL www.weyerhaeser.com/ourbusiness/buildingproducts/classicglulam |
Fire
Treated Lumber & KDAT Lumber www.greatsouthernwood.com/products |