David Bolton Smoke Seals at Fire Corridor Doors: Category G vs Category H and What the Opening Actually Needs What This Article Covers and Who It Helps Smoke seals at fire-rated corridor doors are one of the most frequently under-specified and mis-specified items on a door schedule. This guide explains what a... corridor doors fire door gasketing fire door hardware life safety compliance smoke seals Jul 21, 2026 Our Blog
David Bolton Automatic Door Holders on Fire Corridor Doors: Why the Hold-Open Position Matters More Than the Device Itself Why This Matters to Contractors, Facility Managers, and Architects This article covers a specific field problem that comes up repeatedly on fire-rated corridor and smoke-barrier doors: the automatic d... NFPA 80 automatic door holders corridor doors door stops and holders fire door compliance Apr 23, 2026 Our Blog
