altone logo overhead doors
540 Del Monte Avenue, South San Francisco CA 94080 | 650.755.3454

Installation and Repairs


AL-TONE installs Wayne Dalton wood and steel doors. We believe in selling and installing high quality products that will last throughout the years.  


Extension and torsion springs, along with attached hardware, are under extreme tension at all times. All tension must be released from springs before any work is performed on the springs, door sections, or hardware. Only a professionally trained service person should relieve the springs of any tension.


Spring Extension Spring Torsion

Broken or missing hardware

Cable Drum Pulley

Latches, Locks, Miscellaneous parts

Release T-handle Locks and Keys


    Emergency service available (Radio dispached trucks)
    Free Estimates (competitive prices)
    Bonded - Insured - PL & PD (State California License # 716940