SOSS Door Hardware 220FRU Invisible Door Hinge
By SOSS Door Hardware
SOSS now offers a complete line of fire rated invisible hinges. Whatever the door or opening, there is a SOSS hinge for you. Whether your doorway is made of wood or metal, rated 20 minutes or 3 hours, there now is a SOSS fire-rated hinge that will comply and still give you the “uniquely invisible” hinge that you expect from SOSS.
UL Fire Rated Hinge for Wood or Metal
Can be used on hollow metal, sheet metal, tin clad, steel composite or wood core swinging type fore doors and frames with 20 minute rating
Zinc Bodies and Steel Links. SOSS Invisible Hinges can be used on hollow metal, sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames with 20 minute ratings. Use at least one fire-rated hinge for every 20" of door height or portion thereof, or one hinge for each 60 lbs. or fraction thereof, whichever calculation demands more hinges.
Minimum Door Thickness: 2"