Extension springs | Garaga

Extension springs


Counterbalanced springs which provide lifting power by stretching. Also called stretch springs. Extension springs are mounted to the rear track hangers on each side of the garage. They are attached to a pulley at the other end of the spring.

J & M Door Company
Salem, NH | Phone: (603) 396-5158


Area served: Salem, Windham, Atkinson, Lawrence, Methuen, Andover, North Andover, Boxford

Business hours: Monday to Friday 7:30 AM to 5:00 PM. Saturday 8:00 AM to Noon.


We are members of IDA - International Door Association




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