KEEP AIR & WATER OUT

FAQs, top-selling products and more.

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BUILDING ENVELOPE: AIR & WATER BARRIERS

Proven to withstand extreme weather conditions, PROSOCO R-Guard air & water barrier-protected buildings are more durable, resilient and sustainable.

Top Sellers
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Top Seller

FastFlash-20oz-sausage

FastFlash

Liquid flashing membrane

Top Seller

air barrier

Cat 5

air and waterproof barrier

Top Seller

spray-wrap-mvp-5-Gal

Spray Wrap MVP

fluid-applied air and water-resistive barrier

Top Seller

Joint & Seam Filler

Fiber reinforced fill coat and seam treatment

door air sealer

AirDam

Air and weather barrier sealant for windows and doors

rainscreen membrane

Cat 5 Rain Screen

air and water-resistive barrier for rain screen construction

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BROWSE PRODUCTS

On the Wall Icon
On the Wall

Coatings to protect the entire field of the wall.
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Rough Openings & Penetrations

Ensure every transition and detail is properly sealed.

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Accessories

For all other wall conditions that need protection.

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This is where leaks happen.

this-is-where-leaks-happen this-is-where-leaks-happen

Don't take chances with your building - protect it with FastFlash, liquid flashing membrane.

  • Waterdrops Icon Quickly adheres to damp substrates
  • Seamless Icon Seamlessly reduces air and water flow
  • Ribbon Icon 10 Years of verified performance
Learn More About FastFlash

FastFlash Case Study: 10 Years of Proof

4 products, 1 system

YOUR BUILDING IS MORE THAN
THE SUM OF INDIVIDUAL PARTS.

All components in a wall assembly must work together as a system.
That's why we recommend (as do most building codes) a systems approach to protect your entire building.

Resources

System Specifications
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Installation Guidelines
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Bim Library
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Blower door tests and Passive House: What you need to know

What is a blower door test, and why would you need one? Read on for what you need to know about this performance-based metric for buildings.

Learn more
Ted Barnekoff - Air & Water Barriers, PROSOCO

Ted Barnekoff, Product Support Specialist
18 years of experience

HELP ME, TED

Air & water barriers support

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Frequently Asked Questions

FAQ

Is the R-Guard system environmentally friendly?

In short, yes. We led the charge to remove phthalates and other harmful ingredients to be Red List-compliant for use on Living Building Challenge projects. Check out how the R-Guard system was used on the Bullitt Center in Seattle to learn more.

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FAQ

Does R-Guard self-seal around fasteners?

Yes. R-Guard products seal around most fasteners and comply with nail sealability ASTM D1970 standards.

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FAQ

How do I tie an expansion joint into the rest of the air barrier?

For deflection joints, seismic joints, or expansion joints that are greater than one inch wide, use SureSpan EX. For joints smaller than one inch wide, you can simply use our Joint & Seam Filler and FastFlash.

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Training & Events

No Upcoming Events

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