David Bolton Mortise Locks Explained: Problems, Benefits, and the Right Solution for Commercial Doors What This Article Covers -- and Who It Helps This guide explains what a mortise lock is, where it outperforms other lock types, the most common problems contractors and facility managers run into, and... access control commercial door hardware electrified hardware fire door compliance mortise locks Apr 19, 2026
David Bolton Astragals for Double Doors: Problems, Benefits, and the Right Solution What Is an Astragal -- and Why Does It Matter? An astragal is the hardware component that seals the gap between the two leaves of a pair of doors -- the meeting stile . Without one, that center gap be... astragals commercial door gasketing double door hardware fire door hardware meeting stile seal Apr 19, 2026
David Bolton Continuous Hinges: Solving High-Traffic Door Problems in Commercial Buildings What Are Continuous Hinges and Who Needs Them? Continuous hinges -- also called piano hinges or full-length hinges -- run the full height of a door, distributing load and stress evenly along the entir... commercial door hardware continuous hinges door hardware specification electrified hinges heavy duty hinges Apr 19, 2026
David Bolton Mortise Cams Explained: Why the Right Cam Matters What Is a Mortise Cylinder Cam -- and Why Does It Matter? If you have ever ordered a mortise cylinder replacement and ended up with a lock that turns freely but does nothing, there is a good chance th... Apr 7, 2026 Our Blog