David Bolton Corner Radius on Commercial Hinges: Why the 1/4-Inch Detail Decides Whether the Hinge Fits the Door A Small Radius, a Real Field Problem This article is for contractors, facility managers, and architects who specify or order commercial door hinges. It covers one of the most overlooked details on a h... ball bearing hinges commercial door hardware facility maintenance hinges hollow metal doors Apr 23, 2026 Our Blog
David Bolton Aluminum Astragals on Hollow Metal Door Pairs: Why the Seal Material and Finish Have to Be Decided at the Opening Stage What This Guide Covers and Who It Is For When a hollow metal door pair goes in and the gap at the meeting stiles leaks air, water, sound, or smoke, the astragal is almost always the fix. But specifier... astragals door hardware specification door pairs hollow metal doors weathersealing Apr 23, 2026 Our Blog
David Bolton Steel Flat Bar Astragals on Hollow Metal Door Pairs: When the Opening Tells You Which Profile to Use Why the Astragal Profile Decision Gets Made at the Wrong Time This article is for contractors, facility managers, and hardware specifiers who are responsible for hollow metal door pairs in commercial,... astragals commercial door hardware door pairs hollow metal doors seals and sweeps Apr 23, 2026 Our Blog
David Bolton Steel Door Lite Kits on Hollow Metal Doors: The Cutout and Glass Size Decisions That Bite You at Installation Why So Many Steel Door Lite Kit Installs Go Wrong Before the Glass Even Ships A steel door window lite kit looks like a straightforward item on a hardware schedule. Cut a hole, drop in the frame, set ... commercial door hardware door lite kits fire-rated glazing hollow metal doors steel vision panel Apr 23, 2026 Our Blog