Call us today at:
Burlington: (781) 270-5066
Toll Free: (800) 696-1926

Visit our showroom at:
45 Winn Street
Burlington, MA  01803

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.
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Middlesex Overhead Doors
45 Winn Street, Burlington MA 01803 | Phone: (781) 270-5066
Fax: (781) 270-6559 | Toll free: 1 800 696-1926


Area served : Burlington, Lexington, Bedford, Winchester, Woburn, Reading, Stoneham, Belmont, Arlington, Lynnfield, Weston, Concord, Carlisle, Wellesley, Belmont, Wakefield, Marblehead, Billerica, Chelmsford, Andover, North Andover, North Reading, Newton, Watertown, Sudbury, Lincoln,Melrose, Newburyport, Somerville, Salem, Saugus, Wilmington, Tewksbury, Topsfield, Waltham, Gloucester, Manchester, Topsfield, Wayland, Swampscott, Wesford.

Business hours: Monday to Thursday from 8 AM to 4:30 PM, Friday from 8 AM to 4 PM, Saturday from 9 AM to Noon, Evenings by appointment.

Home Improvement Contractor (HIC): #171090

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