National Full Mortise Standard Weight Hinge spirit ii 300 Enjoy Our Signature Airflow Design™

Enjoy Our Signature Airflow Design™ in a compact size with minimal smoke

architectural metal siding

Also excellent for use as a heavy-duty below grade and underground waterproofer and dampproofer

With a double-wall vacuum insulation

National Full Mortise Standard Weight Hinge spirit ii 300 Enjoy Our Signature Airflow Design™Commercial grade with thicker gauge and more durable design than standard hinges. Template screw hole location for use on either wood or hollow metal doors and frames. Equipped with easily seated, non rising removable pins. Five knuckle, full mortise design. Conforms to ANSI BHMA Grade 3. Includes wood & machine screws. For use on internal or external doors of medium weight and average frequency.