David Bolton Fire-Rated Automatic Door Bottoms: How to Specify and Install Them Right Why the Gap at the Bottom of a Fire Door Matters More Than You Think The space beneath a fire door is one of the most overlooked details in door assembly compliance. Too much clearance and you fail an... NFPA 80 compliance automatic door bottoms commercial door seals door gasketing fire door hardware Apr 22, 2026 Our Blog
David Bolton Fire-Rated and Acoustic Automatic Door Bottoms: A Specifier's Guide to Getting the Assembly Right What This Guide Covers Automatic door bottoms that carry both a fire rating and an acoustic (sound attenuation) rating occupy a narrow but critical position in commercial hardware scheduling. Specifyi... acoustic door seals automatic door bottoms code compliance door gasketing fire door hardware Apr 22, 2026 Our Blog
David Bolton Full Mortised Auto Door Bottoms: Specifying and Installing the Right Drop Seal for Commercial Openings Why the Door Bottom Is the Most Overlooked Seal in the Assembly When architects and contractors detail a door opening, the perimeter gasketing and threshold typically receive careful attention. The au... automatic door bottoms commercial door installation door gasketing and weatherseal door sealing and energy efficiency fire door hardware Apr 22, 2026 Our Blog