The VFD-10D multiple section dynamic curtain fire damper is a cost-effective alternative to multi-bladed fire dampers.Uses curtain style blades for point-of-origin control of ...
The EXA-645 combination louver features stationary drainable blades that protect against water penetration.An integral airfoil blade control damper allows for positive shutoff...
This 8-inch steel grille protects against damage from violent weather. It is FEMA 320 or 361 rated for storm shelters and safe rooms and can withstand loads of 260-300 psf produced...
