Seamless Air & Moisture Protection for Every Project
The Polyguard Blue Barrier Collection is a complete system of fluid-applied membranes, sealants, and flashing designed to provide superior building envelope protection. Engineered for commercial and residential applications, Blue Barrier products form a continuous, monolithic seal that keeps air and moisture out—helping you build stronger, longer-lasting structures.
Why Choose Blue Barrier?
- One-System Approach – Each product in the collection is designed to work together, creating a seamless barrier around windows, doors, joints, and the full wall surface.
- Durable Protection – Resists air leakage, water intrusion, and weather exposure for long-term performance.
- Flexible Application – Easy to apply to a variety of substrates and details, ensuring airtight seals even in complex conditions.
- Energy Efficiency – By controlling air and moisture movement, Blue Barrier helps reduce energy costs and improve indoor comfort.
Featured Products in the Collection
- BB GF – Blue Barrier Gap Filler is a versatile sealant for gaps, cracks, and joints.
- BB LF – Blue Barrier Liquid Flashing can be applied by gun and trowel around window and doors.
- BB LW – Blue Barrier Liquid Wrap is a continuous air and moisture barrier membrane for full wall.
Build with Confidence
Whether you’re sealing a rough opening, wrapping a wall, or protecting against water intrusion at critical joints, the Polyguard Blue Barrier Collection delivers a complete, tested solution. It’s more than just waterproofing—it’s peace of mind for builders, architects, and property owners.
Shop the full Blue Barrier Collection below and protect your next project with the industry’s most reliable air and moisture barrier system.