Fire and smoke dampers are a proven and effective way to protect duct and air-transfer openings in walls, barriers, partitions, corridors, and shafts. Since the inception of Underwriters Laboratories ...
Life safety dampers are an important part of fire and smoke protection in commercial buildings. Much like smoke detectors and fire sprinklers, they need to be periodically tested, per the ...
Martha Stewart on MSN
Using Your Fireplace This Season? Make Sure to Do This First
Add this to your winter maintenance checklist.
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