SOSS® Invisible Hinge model #218FR is for use in wood or metal applications that are 1-3/4″ thick. The model #218FR is made of zinc and steel materials. Nylon links provide added strength and durability. SOSS® Invisible Hinges open a full 180° and are a single action hinge.
The Underwriters Laboratories labeled the model #218FR 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.
SOSS® Invisible Hinge model #218FR is for use in wood or metal applications that are 1-3/4″ thick. The model #218FR is made of zinc and steel materials. Nylon links provide added strength and durability. SOSS® Invisible Hinges open a full 180° and are a single action hinge.
The Underwriters Laboratories labeled the model #218FR 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.
SOSS® Invisible Hinge model #218FR is for use in wood or metal applications that are 1-3/4″ thick. The model #218FR is made of zinc and steel materials. Nylon links provide added strength and durability. SOSS® Invisible Hinges open a full 180° and are a single action hinge.
The Underwriters Laboratories labeled the model #218FR 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.
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