SOSS 418 Heavy Duty, Fire Rated Invisible Hinge

Product Overview

SOSS Invisible Hinges will never need adjustment The moving pivot point remains inside the hinge during travel, eliminating an external pinch point on the back side of the door. When closed, the SOSS Invisible Hinge cannot be seen or tampered with. When open, the riveted hinge pin is non-removable. Our Hinges are found in many applications where flush fit, compact size and smooth operation are necessary features. SOSS invisible hinges open a full 180 degrees and are a single action hinge. The SOSS 418 Invisible Hinges can be used on hollow metal, sheet metal, tin clad and steel composite swinging-type fire doors and frames rated up to and including three hours. They also can be used on wood core doors and frames rated up to 20 minutes. Additionally, they can be used on wood/plastic composite doors constructed with Georgia Pacific FS I or FS II banding for a rating up to and including 90 minutes. Use at least one fire-rated hinge for every 20" of door height or portion thereof, or one hinge for every 60 lbs. or fraction thereof, whichever calculation demands more hinges.