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.

Features

• 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