Many new water-resistive barrier (WRB) products are being introduced, including liquid-applied membranes. These new products join traditional wraps, self-adhered membranes, felts, and building paper, making for a crowded marketplace.
Waterproofing failures are more easily overlooked than roofing problems, so design professionals tend to hear less about them. When compared with a reroofing project, however, a below-grade or interior rehabilitation can be far more disruptive and expensive.
One of the most critical (but often neglected) components in ensuring ‘watertightness,’ the roof assembly is typically installed early to protect the unfinished building from water penetration, enabling interior work to advance.
In the July 2014 issue of The Construction Specifier, we published the article, “Durable Waterproofing for Concrete Masonry Walls: Redundancy Required,” by Robert M. Chamra, EIT and Beth Anne Feero. A month later, we received the following e-mail from G. Michael Starks, president of the Florida Lath & Plaster Bureau (FLAPB):
Elastomeric wall coatings (EWCs) are an important part of new and remedial construction, protecting cladding from water penetration. Assuming they are properly applied, premature failures of EWCs typically involve their manufacturing formulation.
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