Underwriters Laboratories have developed more stringent test requirements for Fire and Smoke dampers, which become effective July 1, 2002. ... Read More.
NEW CSI 3-Part Format Specs for NEW UL Standard Life Safety Dampers. ... Read More.
Sun Control Systems are a valuable component in a building’s design. They can substantially reduce the cooling energy requirements of the interior and... ... Read More.
42" diameter fiberglass butterfly dampers42" diameter fiberglass butterfly dampers with electric actuators are installed on the supply and exhaust side... ... Read More.