David Bolton Why Plain Bearing Hinges Get Replaced Before Their Time: Understanding Load, Use Frequency, and the Closer Pairing Rule The Hinge Nobody Questions Until It Starts Sagging Plain bearing hinges are among the most common hardware items on a commercial project, and they are also among the most commonly misapplied. This gui... commercial doors door closers hardware specification hinges plain bearing Sep 2, 2026 Our Blog
David Bolton ADA Wheelchair Ramp Thresholds: Why the 24-Inch Width Is a Starting Point, Not a Final Measurement What This Article Covers and Who It Helps An ADA-compliant wheelchair ramp threshold is one of the last pieces of hardware ordered and one of the first to cause a punch-list problem. This guide is for... ADA compliance accessible hardware commercial doors door hardware installation thresholds May 20, 2026 Our Blog
