Overhead Door Torsion Spring Chart

Weighing your garage door is the best possible way to determine the proper springs needed for the door.

Overhead door torsion spring chart. Spring orientation only worry about this if you have a 1 s. If the garage door has two springs measure each spring individually. Install new or use this pair of left install new or use this pair of left and right wound torsion springs to replace broken sectional garage door torsion springs. Inside diameter 90 of doors have a 2 0 inside diameter 3.

Measure the overall length of the garage door spring unwound take all your measurements from the broken spring. Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring. Measure the spring only from coil to coil. Both the winding and stationary cones are professionally installed for safe operation.

To measure the torsion springs follow each of the following steps carefully. Do not include the winding and stationary ends. It is not uncommon to have two different size springs. Step 2 measure the inside diameter of the your garage door spring it will be one of the following.

Determine the wire. All dura lift springs meet the dasma standard rating of 10 000 plus door open and close cycles. 3 3 8 or 3 3 4 step 3. Use this method if the door worked correctly before the spring s broke and the garage door has not been tampered with.

In order to order new garage door torsion springs you will need to measure as accurately as possible your current spring s and find the. Spring length how long each spring is 4. Remember that if you have two springs on your torsion system and only one is broken to double the weight shown on the scale.