FBB179 – (ANSI K81071F) Square corners – steel-polished and plated or phosphated and prime coated for painting

• For labeled fire doors, stairwell doors, motel and hotel guest room doors, apartment unit entrance doors.

• Meets NFPA80 standard for 3 hour fire doors (NFPA-80 stipulates minimum of 2 spring hinges shall be used on labeled doors)

• 41/2" (114mm) size – UL listed for door up to 4' x 8' (1219 x 2438mm)

• 4" (102mm) size – approved for door up to 3' x 7' (914 x 2134mm)

• 31/2" (89mm) size – approved for door up to 2' 8" x 7' (813 x 2134mm)

• LifeSpan Limited lifetime warranty for the life of the building

• Internal ratchet mechanism eliminates loose adjustment pins

• Closing power is adjustable up or down

• Excellent alternative to more expensive overhead mounted closers

• Hinges can be furnished as follows:

with decorative tips

with electric switches (CS) – 4 1/2" (114 mm) only

Special screw hole pattern

Size Open:

4-1/2” x 4-1/2” (114 x 114 mm)

Gauge of Metal:

.134 inches (3.4 mm)

Flat Head Screws/Per Piece: 

Machine 8 - 12-24 X 1/2 

Wood 8 -12 X 1-1/4