Safe-T-Cover - Backdraft Damper 10mil Energy Efficient & Self-Regulating -

Energy Efficient & Self-Regulating - The electrical resistance of the heat trace tape varies with temperature

The mats have overlapping flanges with an interlocking design and a secure connection system

flat backs which provide full contact with the underlying surface

these mats offer consistent performance throughout your project

Polypropylene Double Net Turf Reinforcement Mat is made of 100% polypropylene fiber and two medium weight polypropylene nets securely sewn together with UV stabilized thread

Safe-T-Cover - Backdraft Damper 10mil Energy Efficient & Self-Regulating -This model is a rear flanged gravity supply (intake) wall shutter. The frame and blades are mill finish aluminum with a galvanized reinforcement strip on each blade for added strength and counter balancing efficiency. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Recommended for vertical mount supply (intake) only. The blades will pivot at the bottom and fall with gravity to open. Spring