Tag Archives: Water-resistive barrier

Durability of water-resistive barriers

wrb_file opener

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. A WRB will be concealed behind cladding, where it cannot be inspected, maintained, or replaced, so it must last for the design life of the building. However, will the new products be durable?

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Exterior Wall Assemblies: Are you getting what you specified?


Exterior wall systems have received a lot of well-deserved attention as no amount of ink has been spared over the last decade writing about the critical importance of a tight, fire safe, and tested building enclosure. However, the traditional project delivery process seems designed to undermine the intent of achieving a building enclosure that meets all of these criteria even when it has been properly specified.

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Ensuring moisture protection for manufactured stone

All images courtesy Sto Corp.

Failures of claddings like adhered masonry veneer–also known as manufactured stone–often stem from poor flashings, misapplied air and water-resistive barriers (WRBs), and limited drainage. Resulting problems related to moisture intrusion into the wall assembly’s dry zone are moist wall interiors, wet insulation, and rot in sheathing and framing.

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