What This Guide Covers and Who It Helps When a door schedule calls for a heavy weight ball bearing hinge in a 4-1/2 x 4-1/2 size, most specifiers default to steel. That works for the majority of comme...

Why the Metal Under the Plating Changes Everything on a Commercial Hinge This guide is for contractors, facilities managers, and architects who specify or procure commercial door hinges and need to un...