Fire-Rated Doors, Frames, Windows and Hardware

Since 1947, Capitol Fireproof Door has manufactured and installed custom fire-rated doors, steel frames, and Kalamein lot-line windows for commercial and residential buildings throughout New York City and Long Island.

Family-owned and operated for three generations, we provide custom commercial fire door solutions, free estimates, and site surveys to help meet fire code requirements while preserving the architectural integrity of your building.