How To Determine Weight Of Sring For Garage Door

Torsion springs and garage door weight.

How to determine weight of sring for garage door.

Door weights 150lbs and under will be shipped with 1 high cycle life torsion spring. Torsion springs need to provide enough force to equal the weight of the door. Older doors made from wood overlay doors and full vision. The average modern steel single car door weighs around 125 pounds while double car doors weigh about 200 pounds.

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. With extension springs in particular the color coding system is designed to assist the professionals servicing your garage door effectively determine the overall lifting power the springs offer. Total door weight indicates the springs you will need for example if the door weighs 100 pounds you need two 100 pound springs one on each side. This is important because different doors weigh different amounts and you want springs with the appropriate lifting power for your particular door.

Rules and formulas door weight. We will use the corrispoding weight you ordered to customize the perfect spring s to balance your garage door. Weighing your garage door is the best possible way to determine the proper springs needed for the door. Garage door weight is determined by size material steel gauge thickness insulation and glass.

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. This is sometimes referred to as the spring s lift power how much weight the torsion spring can lift. It is purposed to help the professionals servicing your garage door to determine the weight and size of the spring. Measure the distance from the top of the closed door to the bottom of the horizontal track.

The spring s individual measurements are also important they determine the spring s lift. When using two scales add the weights together for the total door weight. 1 divide the total spring s ippt by the cable drum multiplier 2 multiply the spring ippt by the number of turns and then divide by the hi moment arm high lift. If your door is 210 pounds you would need a pair on for each side of the 210 pound white springs.

When it comes to extension springs the purpose of the color coding system is to help the company performing your garage door service determine the lifting power of the springs.