David Bolton Fire-Rated Automatic Door Bottoms: Why the Insert Material Gets Chosen After the Door Assembly Is Already Scheduled The Insert Decision That Trips Up Fire Door Schedules This article is for contractors, facility managers, and architects who are specifying or replacing automatic door bottoms on fire-rated openings. ... NFPA 80 compliance Pemko automatic door bottoms door seals and sweeps fire-rated door hardware Jun 17, 2026
David Bolton Fire-Rated Auto Door Bottoms: Why the 3/4-Inch Drop Spec Is a Code Decision, Not a Catalog Choice What This Article Covers This guide is for commercial contractors, facility managers, and specifiers who are selecting or replacing an automatic door bottom on a fire-rated opening. Specifically, it a... NFPA 80 compliance automatic door bottoms door seals and sweeps fire door inspection fire-rated door hardware Apr 23, 2026 Our Blog