Model 218 Invisible Hinge
SOSS® Invisible Hinge model #218 is for use in wood or metal applications that are 1-3/4″ to 2″ thick. The model #218 is made of zinc and steel materials. Nylon links add strength and durability. This full size door style hinge will provide superior appearance and durability. 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° and are a single action hinge.
Now with a 20 Minute UL Fire rating!
The Underwriters Laboratories labeled the model #218 SOSS® Invisible Hinge can be used on hollow metal , sheet metal, tin clad, steel composite or wood core swinging type fire doors and frames with a 20 minute rating.
For fire rated doors: 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 demand more hinges.
If your door is not fire rated please use the Hinge Sizing Chart located in the drawings tab or the Hinge Calculator on our overview page.
24 Karat Gold finish is available by special order only.
Wood and machine screws are included.