Building System Touts Airtight Barrier

FRIDAY, AUGUST 1, 2014


Pecora Corp. has introduced a building envelope barrier system designed to create an airtight membrane when applied.

The XL-Perm Air, Vapor, and Water Barrier System is a four-step solution that assures the continuity of weather barrier systems, according to the Harleysville, PA-based company.

The Process

The XL-Perm Air, Vapor, and Water Barrier System uses compatible products that contain fast-curing liquid, elastomeric membranes, along with sealants and membranes made of silicone.

Pecora Corporation
The XL-Perm Air, Vapor, and Water Barrier System uses a four-step process to ensure that nothing breaks through weather barriers, according to the company.
Pecora Corporation

The XL-Perm Air, Vapor, and Water Barrier System uses a four-step process to ensure that nothing breaks through weather barriers, according to the company.

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When the four products are used together, the company says, they achieve 100 percent compatibility when wet or dry.

4 Steps

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According to Pecora, the system comprises four steps:

  • Pecora XL-Flash STPU Fast-Curing Liquid Flashing /Joint Filler is a one-part, fast curing, non-sag elastomeric STPU liquid flashing and joint sealant formulated for the air and vapor barrier industry.
  • Pecora XL-Perm ULTRA VP Fluid Applied STPU is applied in a single coat by airless sprayer or roller. It is a durable elastomeric weather-proofing membrane that provides two to three times the coverage of other fluid applied products, according to the company.

XL- Perm ULTRA VP has elasticity and crack-bridging capabilities that contribute contributing to a seamless, durable, and airtight building envelope. It can also be used on damp substrates and green concrete.

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  • Pecora AVB Silicone Sealant/Adhesive was designed as a component for transition seals between dissimilar materials in air and vapor barrier systems.
  • Pecora XL-SPAN 100% Silicone Extruded Transition Membrane creates an air- and water-tight barrier that transitions between building facade components.

More information: www.pecora.com.

Tagged categories: Air barriers; Barrier coatings; Building envelope; Building Envelope; Outdoor weathering; Waterproofing membranes; Water-resistive barrier


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