Concealed Hinges - Model 220FR Fire Rated Invisible



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SOSS® Invisible Hinge model #220FR is for use in wood or metal applications. 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. The Underwriters Laboratories labeled the model #220FR 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.

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.

Machine screws are available for an additional charge.

Additional Information

Application Full Sized Entry, Metal, Wood
Min. Material Thickness 2"
Fire Rating 20 Minutes
Power Transfer No
Spring Closer No
Counter Bored Screw Holes No
Screws Included Wood
Packaging 1 / Box = 1 Each
Packages Per Container 1 Each
Price Per Each


A 1-3/8" (34.93mm)
B 1-1/16" (26.99mm)
C 5-1/2" (139.70mm)
D 1/2" (12.70mm)
E 9/32" (7.15mm)
F 2-15/16" (74.62mm)
G 1/16" (1.59mm)
H 1-63/64" (50.40mm)
I 15/32" (11.91mm)
Min. Matl. Thickness 2" (50.80mm)
Wood Screw Sizes #12x1-1/2" (5.5x38mm)
Soft Wood Pilot Hole No. 38
Hard Wood Pilot Hole No. 25
Machine Screw Sizes #12-24x1"
Hinge Weight 3.15 lb.