A number of excellent sites provide access to substantial collections of technical support for the construction industry. Following are URLs for associations that we have found very helpful — we are members of most of these.

• American Institute of Architects: www.aia.org
• Association of Walls and Ceilings Industries International: www.awci.org
• ASTM International: www.astm.org
• Carolinas Lathing and Plastering Contractors Association: www.clapca.org
• Construction Specifications Institute: www.csinet.org
• Florida Wall and Ceiling Contractors Association: www.fwcca.org
• Insulating Concrete Forms Association: www.forms.org
• Minnesota Lath and Plaster Bureau: www.mnlath-plaster.com
• National Association of Home Builders: www.nahb.org
• NAHB-Research Center: www.nahbrc.com
• National One-Coat Stucco Association: www.onecoatstucco.org
• Northwest Wall and Ceiling Bureau: www.nwcb.org
• Texas Lath and Plaster Contractors Association: www.tlpca.org
• Tool Base Services - The Home Building Industry's Technical Information Resource:
• www.toolbase.org/index-toolbase.asp