Prosoco air and water barrier products deliver long-lasting protection for high-performance building envelopes. Known for innovation and reliability, Prosoco’s system helps prevent air leakage and moisture intrusion while improving energy efficiency and durability.

This category features two key products:

  • Prosoco Joint & Seam Filler: A high-performance elastomeric filler designed to bridge gaps, seams, sheathing joints, and rough openings. It creates an airtight, weatherproof seal that strengthens building envelope performance.

  • Prosoco Fast Flash: A liquid flashing membrane engineered for sealing rough openings, transitions, and penetrations. Applied with a trowel or brush, Fast Flash bonds to a wide variety of substrates, forming a continuous, flexible, and weatherproof barrier.

Together, Joint & Seam Filler and Fast Flash form a complete system for airtight, weatherproof construction. These products eliminate the need for traditional tapes and wraps, saving installation time while delivering superior protection.

1 - 2 of 2 Products
PROSOCO R-Guard Fast Flash Liquid Applied Flashing
Prosoco
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$53.70 CAD
18 In Stock
1 SKU
Joint & Seam Filler
Prosoco
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$41.18 CAD
1 SKU
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