David Bolton Nylon Brush Astragals on Door Pairs: A Specifier's Guide to Getting the Seal Right Why the Meeting Stile Gap Is a Problem Worth Solving On any pair of commercial doors, the vertical gap where the two leaves meet in the center is one of the most overlooked details in a hardware sched... astragals commercial door hardware door pairs fire door compliance meeting stile seal Apr 22, 2026
David Bolton Astragals for Double Doors: Problems, Benefits, and the Right Solution What Is an Astragal -- and Why Does It Matter? An astragal is the hardware component that seals the gap between the two leaves of a pair of doors -- the meeting stile . Without one, that center gap be... astragals commercial door gasketing double door hardware fire door hardware meeting stile seal Apr 19, 2026