David Bolton Extended Door Bottom Shoes on Fire-Rated Openings: When the 3-Inch Height Changes What the Inspector Expects What This Article Covers and Who It Helps An extended door bottom shoe looks like a simple piece of extruded aluminum screwed to the bottom of a door. Most installers treat it as the last item on the ... NFPA 80 compliance Pemko door bottom shoes fire-rated doors seals and sweeps Jul 15, 2026
