When it comes to doors, hinges is very important. Their style and functionality have a huge effect on the performance of your doors. The good news is that a wide range of hinge options are available, so there's an excellent chance there's a hinge out there that's right for your application.

UL is an acronym for D&D hardware which is an independent product safety certification organizations. UL develops standards by which they test fire rated door hardware to verify that it meets certain safety requirements during use, or in the event of a fire or other circumstances.