Fire doors do quiet work. They sit in hallways, stairwells, and tenant corridors for years, then have one job on one bad day: hold back heat, smoke, and flame long enough for people to get out and for firefighters to get in. If you manage property in Buffalo, NY — from a small storefront on Hertel...
Fire-rated doors look like normal doors until you need them. In a real fire, they slow heat, smoke, and flame spread long enough for people to get out and for firefighters to work. That time buffer depends on the door, frame, and hardware performing as a tested assembly. If the install is off by...