About Master Flow™ Foundation Vents - Grill Style
The GAF Master Flow™ grill style foundation vent allows air circulation to help reduce moisture that can cause decay in your foundation with a net free vent area of 50 sq. in. The vent is installed by nailing to floor joists or use as a block replacement. This vent is die-cast aluminum with screen and a damper. The damper adjusts manually.
Features & Benefits
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STURDY
Die-cast aluminum vanes -
CONVENIENT
Includes damper -
VERSATILE
Designed for nailing to floor joists or as a foundation block replacement
Get automatic Lifetime Protection on your entire GAF roofing system
When you install any GAF Lifetime Shingle and at least 3 qualifying GAF accessories, you'll automatically get a Lifetime limited warranty on your shingles and all qualifying GAF accessories*.
*See GAF Shingle & Accessory Ltd. Warranty for complete coverage and restrictions. The word “Lifetime” refers to the length of coverage provided by the GAF Shingle & Accessory Ltd. Warranty, and means as long as the original individual owner(s) of a single-family detached residence [or the second owner(s) in certain circumstances] owns the property where the shingles and accessories are installed. For owners/structures not meeting the above criteria, Lifetime coverage is not applicable. Lifetime ltd. warranty on accessories requires the use of at least three qualifying GAF accessories and the use of Lifetime Shingles.
Product Documentation
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Ventilation Full Line Brochure - RESCB100
Brochures and Literature
