David Bolton Fire-Rated and Acoustic Automatic Door Bottoms: When One Opening Has to Meet Two Separate Standards at Once When Sound Control and Fire Ratings Collide at the Same Door This article is for contractors, facility managers, and specifiers who encounter openings that must satisfy both a fire-rating requirement ... NFPA 80 compliance acoustic door seals automatic door bottoms commercial door seals fire-rated door hardware Apr 23, 2026 Our Blog
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