Air & Water Barriers

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 Permeability)

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

Stops air and water leakage in cavity wall, masonry veneer construction, as well as in stucco, EIFS and most other building wall assemblies.

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 most 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 combines the best of silicone and polyurethane properties.

R-GUARD FastFlash

Utilize R-GUARD FastFlash® independently or with compatible R-GUARD products to prevent the unwanted movement of water and air through building envelopes.

R-GUARD GypPrime

Seals cut edges of gypsum wall board for easy application of PROSOCO R-GUARD® FastFlash® liquid flashing membrane.

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