
Pecora's new XL-Perm Air, Vapor and Water Barrier System consists of fully engineered and compatible products that work in tandem to provide complete protection for the building envelope. The easy, four-step solution assures continuity of weatherproofing barrier systems. The system includes:
- Pecora XL-Flash STPU Fast Curing Liquid Flashing and Joint Filler: A one-part, fast-curing, non-sag elastomeric STPU gun grade, trowelable liquid flashing and joint sealant.
- Pecora XL-Perm ULTRA VP Fluid Applied STPU: Applied in a single coat via airless sprayer or roller, this durable elastomeric weatherproofing membrane provides 2-3 times the coverage of other fluid applied products. It can also be used on damp substrates and green concrete.
- Pecora AVB Silicone Sealant/Adhesive: Designed as an integral component for transition seals between dissimilar materials in air and vapor barrier systems.
- Pecora XL-Span 100 Silicone Extruded Transition Membrane: Air and watertight barrier at transitions between building façade components.
To receive additional information on this product, please click here.


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