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Vaproshield BlockFlashing . . . Check it out! (10/4/2021)

Vaproshield BlockFlashing.  A self-adhered, non-asphaltic, durable, air, water, and vapor barrier flashing with an aggressive pressure-sensitive adhesive that does not require a primer and is easily applied to most construction substrates.

BlockFlashing is designed for use as a rough opening flashing or transition flashing providing a barrier against water, air, and moisture infiltration.

Impermeable to air, moisture vapor, and water.  No VOCs.  12-month UV and weather exposure makes membrane ideal for long-term projects.

All weather installation membrane can be applied in virtually all weather conditions including below freezing 0 degrees F (-18 degrees C) and rising without the use of primer.

Installation is this simple.  Ease of application.  Trouble free performance.

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