How To Measure Wire Size Garage Door Spring

Spring orientation if ordering just one spring left wound or right wound.

How to measure wire size garage door spring.

Change the fraction into a decimal and divide by 10. The spring should be measure as it is unwound. For a more accurate measurement start at the 1 mark on your ruler. Inside diameter 90 of doors have a 2 0 inside diameter 3.

Now move the decimal one place to the left giving you a wire size of 250. This is the wire size. 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. First make sure the coils are compressed as gaps can deliver an inaccurate measurement.

On many garage door spring sets this is the easiest task of all because you often don t have to make any measurements. Generally when looking from within the garage if the spring is on the left side it is right wound and vice versa. Convert the measurement to decimals if it measure 2 1 2 inches that would be 2 50. Spring orientation only worry about this if you have a 1 spring system left wound or right wound.

Inside diameter 90 of doors have a 2 0 inside diameter 3. In the case of the former the spring would have a 1 3 4 inch diameter. Measure 10 coils to the nearest 1 16. Divide the height of the garage door by the cable drum circumference then add one.

Spring length how long each spring is 4. Knowing the spring s length can help you find the wire size on the chart above. This is the number of turns that are on your spring. For example a 14 high door is 168 high.

After you have this information you can measure the length of the coils of the spring. With the latter the spring would have a two inch diameter. First measure the length of the spring. In order to order new springs you will need to measure as accurately as possible your current spring s and find the.

Measure the thickness of the wire in the spring. This should be done from the inside. Spring length how long each spring is 4. Measure the circumference of the cable drum and measure the height of the garage door in inches.

Insert the end of the tape measure between two coils count to 10 coils and pull the measure to the point between the 10th and 11th coils. If you check the winding or stationary cone you might see a number like 1 75 or 2 0. Measuring the garage door extension springs. The best way to measure the wire size of your garage door springs is to simply measure 10 20 30 and 40 coils.