Garage Door Spring Length Determine Weight

Garage door spring size.

Garage door spring length determine weight.

Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring. Remember that if you have two springs on your torsion system and only one is broken to double the weight shown on the scale. Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch. Steps to measuring your garage door torsion spring.

Springs that work for a standard height door won t work for an extra tall door because the springs will need to extend farther. This is the wire size. Change the fraction into a decimal and divide by 10. Weighing your garage door is the best possible way to determine the proper springs needed for the door.

Weight of the door the weight of the door can be difficult to calculate but it s a crucial measurement because the springs need to counterbalance the weight to function properly. Extension springs vary in length. This is not as simple as just measuring the spring from side to side because torsion springs are labeled based on unwound length. Heritage garage door has served southern california homeowners for over 30 years.

For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.