Tag Archives: Water-resistant barrier

Claddings and Entrapped Moisture: Lessons learned from early EIFS

All images courtesy Masonry Technology Inc.

In early iterations of exterior insulation and finish systems (EIFS), issues occurred when board stock rigid insulation was layered against other rigid insulation or exterior sheathing, or when decking traps moisture between the layers of material. That industry has taken steps to eliminate such problems, but what broader lessons can be learned of the importance of preventing your insulation from getting wet?

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Achieving increased envelope performance

Photo © BigStockPhoto/Photo Roller

Among its many functions, the exterior envelope typically must control the movement of heat, air, bulk water, and water vapor both in and out of a building. Over time, various systems and components have been developed to control this movement.

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Testing Fluid-applied Air and Water Barriers

All images courtesy Simpson Gumpertz & Heger

Fluid-applied air and water barrier products have rapidly gained market share in many areas of the country, but they are still relatively new to the industry. It is perhaps unsurprising then that various failures of these products have been seen during their installation.

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