David Bolton Swing Clear Hinges in Retrofit Projects: Getting the Doorway Width Right Before You Order The Problem Nobody Catches Until the Wheelchair Arrives This article covers how swing clear hinges work in retrofit accessibility projects, why the clear opening measurement is the number that matters... ADA door hardware accessibility retrofit facility upgrades hinge selection swing clear hinges Aug 10, 2026 Our Blog
David Bolton ADA Wheelchair Ramp Thresholds at Occupied Buildings: How the Offset Spec Gets Chosen in the Field What This Guide Covers and Who It Helps Selecting an ADA-compliant wheelchair ramp threshold for an already-occupied building is a different problem than specifying one on a new build. The door exists... ADA compliance accessibility retrofit commercial door hardware threshold hardware wheelchair ramp threshold Apr 23, 2026 Our Blog