Imperial

Media

Our Work, Up Close

Dampers and louvers from the shop floor and the job site, and the U.L. fire testing behind our listed products.

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

Pre-Test Assembly

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

Heat Chamber

Heat Chamber

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

Exposure to Heat

Exposure to Heat

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

Hose Stream Test

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.