How to measure torsion springs for garage door

To process your order for springs, please provide the following information for each spring 

• Wire size

• Inside diameter

• Length

It is crucial to measure both springs if you have them on a residential or commercial door, as approximately 30% of manufacturers and service companies mix wire sizes. Following the steps below will ensure accurate dimensions.

Similarly, if you have a linear system on a commercial door, it is important to measure each spring individually

Finding the Wire Size

One method to measure the wire size of a spring is by measuring 10 and 20 coils. This approach takes advantage of the fact that the sides of the coils, which rub against each other during garage door operation, are less susceptible to corrosion. Additionally, when springs are painted, the paint does not penetrate between the coils. By measuring the length of  20 coils and dividing it by the number of coils measured, you can obtain a highly accurate measurement of the wire size.

To measure 20 coils of a spring, follow these steps:

1. Insert the end of a tape measure between two coils. If the spring doesn't have a cone, hook the tape on the end of the spring.
2. Count 20 complete coils while keeping the tape taut.
3. Pull the tape measure until it reaches the point where the 20th and 21דא coils meet.
4. Measure the distance to the nearest 16th of an inch. Note that the hook on the tape measure is slotted for measuring both outside and inside dimensions. Since you are measuring the outside dimensions of the coils, ensure the tape is pulled away from the end to obtain the correct length. Pushing the tape into the end of the ruler may result in a longer length, often 1/16" more.
5. Record this measurement accurately on a piece of paper.

When measuring, make sure all the coils are compressed. If there are gaps between the coils, you will measure incorrectly and order the wrong spring.

Determine the Inside Diameter

For residential doors, the most common inside diameters are :

• 1.3/4"
• 2"

If the spring is broken, measuring the inside diameter becomes easier. Safely remove the broken spring from the spring tube. Once the broken spring is detached, you can directly measure the inside diameter using a measuring tape. 

If you are trying to measure a spring without taking it off , you may use the following chart (not recommended)

Determine the length 

Measure the total length of the spring coils only - do not include the cones 

Starting from one end of the spring, place the measuring tape or ruler along the length of the spring, following the curve of the coils.

Determine the Wind of the Spring

Measuring the wind direction of a torsion spring can be confusing, but there are ways to determine it accurately.

Cone color , many manufacturers paint their springs in order to make it easy to determine where the spring goes 

• Red = Left
• Black = Right  

Replacing garage door torsion springs can be a potentially dangerous task and should be approached with caution. Due to the high tension and force involved in torsion springs, mishandling or improper installation can lead to serious injuries or property damage. It is recommended to prioritize safety and consider hiring a professional garage door technician with experience in spring replacement.

If you choose to replace the springs yourself, take the following safety precautions:

1. Educate yourself: Understand the mechanics of the garage door system and familiarize yourself with the specific instructions provided by the manufacturer.

2. Gather the right tools: Use appropriate tools and safety equipment, including gloves, safety glasses, and winding bars designed for torsion spring adjustment.

3. Release tension: Before attempting any work on the springs, release the tension from the garage door by following the manufacturer's instructions carefully. Failure to release tension properly can result in sudden and uncontrolled movements.

4. Seek assistance: Garage door spring replacement is typically a two-person job (When done by unprofessional)  Have someone assist you during the process to ensure safety and provide additional support.

5. Follow proper procedures: Adhere strictly to the instructions provided by the manufacturer or seek guidance from reliable resources. Improper handling or installation can lead to serious accidents.

6. Exercise caution: Be aware of the potential risks and hazards involved. Pay attention to your surroundings, avoid distractions, and maintain a focused and organized workspace. Keep pets and children away from the area during the replacement process.

7. Use genuine parts: Ensure that you use high-quality, compatible replacement springs recommended by the manufacturer. Using incorrect or substandard parts can compromise the safety and performance of the garage door.

8. Take breaks if needed: Torsion spring replacement can be physically demanding. If you feel fatigued or overwhelmed, take breaks as necessary. It's important to maintain focus and handle the task with a clear mind.

9. Regular maintenance: Once the torsion springs are replaced, establish a routine maintenance schedule for the garage door system. Regular inspections and lubrication can help prevent potential issues and ensure the continued safe operation of the door.

10. Know your limits: If you are uncertain or uncomfortable with any aspect of the torsion spring replacement process, it's best to consult a professional garage door technician. They have the knowledge, experience, and specialized tools required to handle the task safely.

Remember, the safety of yourself and others is paramount when dealing with garage door torsion spring replacement. Prioritize caution, follow proper procedures, and consider seeking professional assistance to minimize the risks associated with this task.

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