Garage Door Spring Length Determine Weight

Remember that if you have two springs on your torsion system and only one is broken to double the weight shown on the scale.

Garage door spring length determine weight.

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. Garage door spring size. Steps to measuring your garage door torsion spring.

Weighing your garage door is the best possible way to determine the proper springs needed for the door. If you need a new garage door torsion spring you will need to know what length you need to purchase. 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. Heritage garage door has served southern california homeowners for over 30 years.

Once you know the total weight of your garage door using a bathroom scale for doors under 300 pounds you can use the chart below to see the color extension spring you need. Change the fraction into a decimal and divide by 10. This is the wire size. For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.

Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring.