Garage Door Cable Length Chart
Garage door safety cable is made of galvanized steel and has a 1 8 in.
Garage door cable length chart. Used for typical applications. Regardless of the type of cable selected they should contain some sort of crimp to help the cable sit with the drum. You will need some information before beginning. Standard torsion spring garage door cables are 7 7 strand 1 8 inch thickness.
When measuring an old cable measure the full length including loops spools thimbles and stops. It has 7 strands with 7 wires per strand for strength and durability and an end to end tensile strength of 1 400 lb. Most common garage door track. For standard lift residential garage doors the cable length should be the door height plus 18 inches.
Those seven bundles are twisted together to form a cable with a diameter of 1 8 inch. The overbuilt 8 ft. Garage door cable comes in multiple different spools and sizes. This means there are seven strands in a bundle.
Raw cable of 3 32 1 8 5 32 3 16 and 1 4 diameters is also available. Use the grid below to determine your correct replacement cable length for your garage door cables for doors using torsion springs only. 12 radius 12 required 15 radius 14 25 required. There are open loop and thimble along with 5 16 3 8 and 1 2 spools.
1 your cable drum manufacture and part 2 the distance from your floor to the centerline of your garage door spring torsion shaft.