07 25 00 Weather Barriers

Category Archives: 07 25 00 Weather Barriers

 

Xypex: Concrete Waterproofing with Crystalline Technology

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Crystalline waterproofing improves concrete durability, lowers maintenance costs, and extends building lifecycles From building foundations, elevator pits, floor slabs, and exterior precast panels to water treatment facilities and underground urban infrastructure, concrete is the most commonly used construction material.

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Durability of Water-resistive Barriers

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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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Clarification on wall systems article

The April 2013 issue of The Construction Specifier included a technical feature by J.W. Mollohan, CSI, CCPR, CEP, LEED GA, entitled, “Exterior Wall Assemblies: Are You Getting What You Specified?”  We received the following letter from Cliff Black, a CSI member and a building envelope product manager for Firestone Building Products.

I am writing in regard to the article on exterior wall assemblies. I agree with the author the issue is certainly a challenging …

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