Chain blocks | Garaga

Chain blocks


A chain block is used with a manually operated garage door and can be installed on either side of the door. They are secured to the full shaft on which the spring system is secured.

Its use is strongly suggested for any door over 10 ft. (3 m) high so the door can be operated safely.

For smaller doors, a pull chain can be used.

Chain block    Pull chain

DP Installations
PO Box 115, Newfield ME 04056 | Phone: (207) 793-2336 or Mobile: (207) 432-5659


Areas of service: York County in Maine and Carroll County & Mount Washington Valley area in New Hampshire.
Hours: Monday to Friday from 7 AM to 6 PM, Saturday from 7 AM to noon

Emergency repairs made within 24hrs

International Door Association   NFIB


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