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Air, Vapor & Water Barrier Products


ABAA _evaluatedPecora XL-PERM: Air, Vapor & Water Resistive Barrier System

Easy Four Step Solution for an Energy Efficient Wall System

Fully engineered and compatible products that work in tandem to provide complete air, vapor and water barrier protection for your building envelope.

Assured Continuity of Air, Vapor and Water Resistive Barrier Systems
Products can be used together as a system or independently as needed. 

Pecora XL-Flash STPU Fast Curing Liquid Flashing /Joint Filler – A unique one part, fast curing, non-sag elastomeric STPU gun grade, trowelable liquid flashing and joint sealant specially formulated for the air and vapor barrier industry.

Pecora XL-Perm ULTRA VP Fluid Applied STPU – Applied in a single coat via airless sprayer or roller, this durable elastomeric weatherproofing membrane provides two to three times the coverage of other fluid applied products. XL- Perm ULTRA VP has excellent elasticity and crack bridging capabilities contributing to a seamless, durable, and airtight building envelope. It can also be used on damp substrates and green concrete.

Pecora XL-Perm ULTRA NP Fluid Applied STPU – The only non-asphaltic STPU based non-permeable air barrier on the market today. Primer-less application, can be sprayed or rolled in one single application. Excellent weatherability, UV and water resistant for up to 1 year. The XL- Perm ULTRA NP eliminates construction delays because it can be applied during inclement weather, used on damp substrates and green concrete.

Pecora ProPerm VP – Applied in a single coat this water based, fluid applied air barrier membrane provides superior protection from moisture vapor and air intrusion contributing to a seamless durable airtight building envelope. Pecora ProPerm VP is ideal for use on concrete block, concrete, exterior gypsum sheathing, plywood, OSB and many other common building materials.

Meets performance requirements of NFPA 285 

Pecora AVB Silicone Sealant/Adhesive – Designed as an integral component for transition seals between dissimilar materials in air, vapor and water resistive barrier systems, offering superior green strength.

Pecora XL-Span 100% Silicone Extruded Transition Membrane – Air and water tight barrier at transitions between building façade components.

Pecora XL-Perm ULTRA VP 

Application Manual – English | Spanish

Application Details

Guide Specification

UL Certification

Pecora XL-Perm ULTRA NP

Application Manual – English

Pecora ProPerm VP

Application Manual- English
Products Description  
Pecora AVB Silicone

One-part, Primerless Silicone Sealant for Air-Vapor Barrier Surface Transitions
Datasheets
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Sds
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Color Chart
Brochure
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Tech Bulletin
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Video
ProPerm VP

Water Based, Fluid Applied Air, Vapor and Water Barrier
Datasheets
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Sds
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Color Chart
Brochure
Tech Bulletin
Video
XL-Flash

STPU Liquid Applied Flashing and Joint Filler
Datasheets
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Sds
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XL-Flash SDS - 7/1/20
Color Chart
Brochure
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Tech Bulletin
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Video
XL-Perm Ultra NP

Fluid Applied, Non-Permeable STPU Air, Vapor and Water Barrier
Datasheets
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Sds
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Color Chart
Brochure
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Tech Bulletin
Video
XL-Perm Ultra VP

Fluid Applied, Permeable STPU Air, Vapor and Water Barrier
Datasheets
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Sds
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Color Chart
Brochure
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Tech Bulletin
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Video
XL-Span

100% Pre-formed Silicone Transition Membrane
Datasheets
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Sds
Color Chart
Brochure
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Tech Bulletin
Video
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