Full Mortise; Generally Two Hinges on the Door Must be Spring Hinges to Provide Adequate Closing Force; NFPA Requires a Minimum of (2) Spring Hinges on Labeled Doors
Full Mortise; Generally Two Hinges on the Door Must be Spring Hinges to Provide Adequate Closing Force; NFPA Requires a Minimum of (2) Spring Hinges on Labeled Doors