David Bolton Why Your Commercial Door Is Dropping at the Latch: Diagnosing and Fixing Hinge Sag What Is Hinge Sag, and Why Does It Matter? Hinge sag is the gradual downward drift of a door's latch edge caused by failure or fatigue in one or more of the hinges supporting it. On a commercial openi... commercial hardware door alignment door maintenance facility management hinges Oct 21, 2026 Our Blog
David Bolton Hinge Shimming in the Field: How to Fix Door Alignment Without Pulling the Hardware When the Door Is Hung but Not Right: A Field Alignment Problem Every Installer Knows This guide is for commercial contractors, school and facility maintenance staff, and anyone responsible for keeping... commercial hardware door alignment field installation hinges hollow metal doors Sep 1, 2026 Our Blog