David Bolton Steel Flat Bar Astragals on Fire-Rated Door Pairs: Why the Meeting Stile Gap Gets Missed Until the Inspector Walks the Job The Problem That Shows Up at the Wrong Time The door pair is hung, the exit devices are set, the closer is adjusted, and the hardware contractor is ready to hand off the opening. Then the authority ha... NFPA 80 astragals commercial door hardware fire-rated door pairs seals and sweeps Jun 19, 2026
