David Bolton Full Mortise Auto Door Bottoms on Fire-Rated Openings: The Clearance Gap That Gets Ignored Until the Annual Inspection Why the Gap Under a Fire Door Is a Code Issue, Not Just a Comfort Issue This article is for facility managers, commercial contractors, and architects who need to understand how automatic door bottoms ... NFPA 80 compliance Pemko door hardware automatic door bottom door seals and sweeps fire rated door hardware Jun 4, 2026 Our Blog
David Bolton Fire-Rated Acoustic Door Bottoms: How to Specify and Install Them Right the First Time Two Requirements, One Product: Why Acoustic Fire-Rated Door Bottoms Demand Careful Specification When a door opening must control both sound transmission and fire spread, the door bottom is one of the... NFPA 80 compliance acoustic door bottoms automatic door bottom door weatherseal fire-rated door hardware Apr 22, 2026 Our Blog