Evolution of masonry cavity wall designs

Masonry cavity drainage construction became the norm when architects and masons came to the realization a simple empty space separating two wythes of masonry with a layer of insulation could provide as much comfort as several feet of solid barrier masonry.
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Quality assurance of waterproofing

For roofs, concrete assemblies, and mechanical systems, there is an established tradition of testing and inspection to verify both the material installation and construction meet the specified design criteria. Owners usually accept this without hesitation, and are ready to pay for the expenses.
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AWC releases design specification for wood construction

American Wood Council (AWC) regularly reviews and updates its codes and standards to keep pace with technological advances and material innovations affecting the use of wood products in the country. The council recently updated its National Design Specification (NDS) for Wood Construction. Developed by AWC’s wood design standards committee,...
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