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Quick Overview
Designed for use in commercial and residential construction applications, BlockShield SA creates a barrier against water, air, and moisture infiltration when applied in a rainscreen assembly behind exterior cladding.
Lightweight, Self-Adhered Air, Water, and Vapor Barrier Membrane
- Impermeable to air, moisture vapor, and water
- Approved CAN/ULC S741-08, CAN/ULC S742-11
- Approved ASTM E2178/ASTM E2357 air barrier tests
- Non-asphaltic product
- No Red List Chemicals
- Contains 18-20% post-industrial recycled content
- Application temperature 20°F (-6.6°C) and rising
- 12 month UV and weather exposure
- Aggressive pressure-sensitive adhesive
- No primer required
- Zero VOCs
- AAMA 711-13 compliant
- Durable, tear resistant, and flexible at low temperatures
- Fire Rated, Class A to ASTM E84
- 20 year warranty
Air, Water and Vapor Barrier Flashing System
BlockFlashing: Three Convenient Sizes
