David Bolton ADA Interlocking Ramp Thresholds: When the Width You Ordered Does Not Match the Opening You Measured Why Width Is the Measurement That Gets Assumed Instead of Taken This article helps contractors, facility managers, and architects avoid one of the most common and expensive mistakes on accessible-rout... accessible-hardware ada-thresholds code-compliance commercial-door-hardware threshold-installation May 24, 2026
David Bolton Why the 2-1/2-Inch Offset on an ADA Ramp Threshold Gets Specified Last and Measured First What This Article Covers This guide is for contractors, facility managers, and architects working with ADA-compliant offset interlocking wheelchair ramp thresholds at commercial door openings. Specifi... accessible-door-hardware ada-thresholds commercial-door-hardware threshold-installation wheelchair-ramp-thresholds May 24, 2026