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Liquid air barrier goes on, rain or shine

Products and Materials

Liquid air barrier goes on, rain or shine

The silyl-terminated polyether (STPE) liquid-applied air barrier does not wash off when exposed to light rain following application.


By David Barista, Editorial Director | December 20, 2017

This fluid-applied, one-component membrane cures to form a resilient, monolithic, fully bonded elastomeric sheet when applied to construction surfaces.

The silyl-terminated polyether (STPE) liquid-applied air barrier does not wash off when exposed to light rain following application, avoiding weather delays.

Perm-A-Barrier VPL50 can be applied to a wide variety of commercial and residential exterior wall systems, including concrete block with a brick veneer or pre-formed cladding panels, and steel- or wood-stud walls with exterior gypsum sheathing, brick veneer, or pre-formed panels, plywood, and OSB.

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More In Category

Codes and Standards

Updated document details methods of testing fenestration for exterior walls

The Fenestration and Glazing Industry Alliance (FGIA) updated a document serving a recommended practice for determining test methodology for laboratory and field testing of exterior wall systems. The document pertains to products covered by an AAMA standard such as curtain walls, storefronts, window walls, and sloped glazing. AAMA 501-24, Methods of Test for Exterior Walls was last updated in 2015. 




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