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 Aluminum Astragals for Door Pairs: How to Choose and Install the Right Meeting Stile Seal Why the Gap Between Double Doors Matters More Than You Think When two door leaves meet at the center of an opening, that joint is called the meeting stile . Without a proper seal at the meeting stile,... astragals commercial door seals door pair hardware fire door hardware meeting stile Apr 22, 2026 Our Blog
