David Bolton Concealed vs. Exposed Gear: Why the Hinge Profile You Pick Changes the Retrofit Job Completely What This Article Covers and Who It Helps When a facility manager or contractor decides to swap aging butt hinges for a full-height continuous geared hinge, the first question is almost never the righ... commercial door hardware continuous hinges fire door compliance full mortise hinges retrofit door hardware Jul 22, 2026 Our Blog
David Bolton Retrofit Window Lites on Steel Doors: Why the Glass Spec Gets Finalized After the Door Is Already in Service Why This Decision Keeps Getting Made in the Wrong Order This article is for facility managers, commercial contractors, and maintenance teams who need to add a vision panel to a steel door that is alre... fire-rated doors hollow metal doors retrofit door hardware steel door hardware window lite kits Jun 3, 2026
David Bolton Swing Clear Hinges on Accessible Openings: When a Standard Hinge Quietly Steals Your Clear Width The Hidden Way a Standard Hinge Fails an Accessible Opening This article is for contractors, facility managers, and architects who have encountered an accessible door opening that meets the 32-inch mi... ADA accessible hardware accessible opening compliance commercial door hinges retrofit door hardware swing clear hinges Apr 23, 2026 Our Blog