Garage Door Canada
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Measuring Torsion Springs

Measuring Torsion Springs in 4 Easy Steps

Please note that garage door hardware, especially springs, can be extremely dangerous if they’re not installed properly. We highly recommend having a professional work on your garage door to avoid serious injury.



1. Measure the Wire Size

To begin, we must first determine the wire size. This is done by measuring 10 coils, then measuring the next 10 coils and referencing the below chart. Ensure there are no gaps between the coils you’re measuring, or the measurements will be incorrect. For best accuracy, measure to the nearest 1/16 of an inch.

Step 1 - Meauring Torsion Springs.jpg
Step 1 - Torsion Spring Chart.jpg

2. Measure the Inside Diameter

To determine the diameter of your broken spring, make sure you’re measuring the inside width. If the spring isn’t broken, the diameter can be found on the cone (p175 = 1 ¾” and p200 = 2”). Springs used in residential homes commonly have a 1 ¾” or 2” inside diameter.

 
Step 2 - Meauring Torsion Springs.jpg
 

3. Measure the Length

To determine the length of your spring, it needs to be unwound. Don’t include the cones within the measurement, and if your spring is in two parts you’ll need to remove the screws and place the ends together for a complete measurement of length.

Step 3 - Meauring Torsion Springs.jpg

4. Determine Direction of Wind

A typical residential home uses two torsion springs within the torsion system. The spring on the left is right hand wound (RHW) and the spring on the right is left hand wound (LHW). For ultimate performance, even if only one spring is broken it’s recommended to replace both springs within your torsion system.

Step 4 - Meauring Torsion Springs.jpg
Step 4 - Wound Torsion Springs.jpg

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Do you need help with choosing a garage door, would you like to request a quote, or do you have a general question? We’re here to make your garage door experience the best it can be!

We’d love to meet you in person at our showroom; however, if email is more convenient for you at this point, please fill in the form below and we’ll get in touch with you as soon as possible.

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1.877.664.4432
905.957.4432

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Garage Door Canada
8268 Regional Rd., 20,
Smithville, Ontario
L0R 2A0

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