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Stainless and galvanized fire/smoke dampers, motorized control dampers, and custom louvers in every shape a building asks for. Filter by product line and click any photo to enlarge it.
U.L. Laboratory Testing
Tested Under Fire
Every listed damper design goes through the full U.L. fire test sequence: mounted, heated, and hit with the hose stream.

Pre-Test Assembly
Fire/smoke damper mounted and instrumented at the U.L. laboratory before testing begins.

Heat Chamber
Damper installed in the U.L. heat chamber as furnace temperature ramps toward test conditions.

Exposure to Heat
The assembly under full fire exposure, holding its rating as designed.

Hose Stream Test
The heated assembly withstands the U.L. hose stream, the pass/fail moment of the fire test.
Hose Stream Test Footage
Thirteen seconds from the U.L. laboratory: the heated fire/smoke damper assembly taking the hose stream.