Air & Water Barriers

PROSOCO R-GUARD Air & Water Resistive Barrier systems can cut a building’s natural gas costs by up to 40% or more, cut electrical costs by 25%, improve indoor air quality, deprive mold of conditions for life, and help earn LEED points. Easy application saves time and money, too.

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Increase energy efficiency, water-resistance and deprive mold of conditions for life in structural walls with easy, fast-application fluid-applied PROSOCO R-GUARD® primary air & water-resistive barriers.
R-GUARD Cat 5

PROSOCO R-GUARD® Cat 5 Air & Water-Resistive Barrier is a fluid applied, waterproofing and air barrier membrane that combines the best of silicone and polyurethane properties.

R-GUARD MVP (Maximum Vapor Permability)

R-GUARD MVP meets the needs of designers seeking increased vapor permeability. Stops air and water leakage behind masonry veneer, stucco, manufactured stone, EIFS and all other veneer finishes.

R-GUARD Spray Wrap

As part of the PROSOCO R-GUARD® air and water-resistive barrier systems, R-GUARD Spray Wrap prevents air and water leakage in cavity wall, masonry veneer construction.

R-GUARD TMVP (Thick Mil, Vapor Permeable)

Meets the needs of designers seeking a thick mil water-resistive barrier. Stops air and water leakage behind masonry veneer, stucco, manufactured stone and most other veneer finishes.

R-GUARD VB (Vapor Barrier)

Meets the needs of designers seeking a water barrier. Stops air and water leakage in cavity wall, masonry veneer construction, as well as stucco, EIFS and all other building wall assemblies.

Cracks, seams and joints permit costly, damaging air leakage through structural walls – unless they’re sealed with durable, breathable PROSOCO R-GUARD® joint treatments.
R-GUARD Joint & Seam Filler

Utilize PROSOCO R-GUARD® Joint & Seam Filler to prepare open joints, seams and cracks measuring 1/4-inch to 1/2-inch.

Stop destructive air and water leaks around windows, doors and areas where different building materials meet, with PROSOCO R-GUARD® “liquid flashing” penetration and transition treatments.
R-GUARD AirDam

PROSOCO R-GUARD® AirDam is a medium modulus sealant that combines the best of silicone and polyurethane properties.

R-GUARD Emergency WaterStop

A high modulus, wet sealant that cobine the best of silicone and polyurethane properties

R-GUARD FastFlash

PROSOCO R-GUARD® FastFlash is a gun-grade waterproofing, adhesive and detailing compound that combines the best of silicone and polyurethane properties.

R-GUARD GypPrime

Seals cut edges of gypsum wall board for easy application of PROSOCO R-GUARD® Joint & Sea Filler.

R-GUARD Transition Membrane - 6"

A self-adhering waterproof air barrier material that works as part of the PROSOCO R-GUARD® air and water-resistive barrier system.

SPECIAL ORDER PRODUCT: R-GUARD StuccoPrime

Prepares surfaces treated with R-GUARD FastFlash or R-GUARD Cat-5 for direct application of conventional hard coat or polymer-modified stucco.

Contact us any time at
1-800-255-4255