How do i know what garage door spring to buy?

Welcome to the MM Garage Door Repair Utah blog! As your trusted local garage door experts, we often get asked a very important question: “How do I know what garage door spring to buy?” Choosing the right spring is crucial for the safe and efficient operation of your garage door. Selecting the wrong spring can lead to premature wear, door malfunction, or even serious injury. In this comprehensive guide, we’ll walk you through the steps to identify the correct spring for your garage door. Remember, working with garage door springs can be dangerous, so if you’re unsure at any point, don’t hesitate to call us at 801-418-9217 or visit mmgaragedoorrepair.com for professional assistance.

Understanding Garage Door Springs

Before we dive into the specifics, let’s briefly discuss the different types of garage door springs. There are primarily two types: torsion springs and extension springs. Torsion springs are mounted above the garage door opening, while extension springs are located along the horizontal tracks on either side of the door. Each type requires a different approach to identification and replacement.

Identifying Torsion Springs

Torsion springs are identified by their length, wire size (diameter), and inside diameter. Here’s how to determine each:

Step 1 Measure the Length

Measure the length of the spring in inches. Measure from one end of the spring to the other, excluding the winding cones. If the spring is broken, carefully piece it together to get an accurate measurement. This measurement is critical for selecting the correct replacement.

Step 2 Determine the Wire Size

The wire size, or diameter, is a crucial factor. You can use a digital caliper for the most accurate measurement. Place the caliper jaws around a coil of the spring and record the measurement in inches. If you don’t have a caliper, you can use the “20-coil method.” Measure 20 coils of the spring in inches. Then, divide that measurement by 20 to get the wire size. For example, if 20 coils measure 5 inches, the wire size is 0.25 inches.

Step 3 Measure the Inside Diameter

Measure the inside diameter (ID) of the spring in inches. This is the diameter of the hole in the center of the spring. Use a tape measure or ruler to measure from one inside edge to the opposite inside edge. Common inside diameters are 1.75 inches and 2 inches.

Step 4 Note the Winding Direction

Torsion springs come in left-wound and right-wound configurations. To determine the winding direction, stand inside your garage and look at the spring above the door. If the spring is on the left side of the center bracket and the coils wind upward to the left, it’s a left-wound spring. If it’s on the right side and the coils wind upward to the right, it’s a right-wound spring. You’ll need to purchase the correct winding direction to ensure proper operation.

Identifying Extension Springs

Extension springs are identified by their length, wire size, and pull weight. Here’s how to determine each:

Step 1 Measure the Length

Measure the length of the spring in inches. Measure from one end of the spring to the other, excluding the hooks. If the spring is broken, carefully piece it together to get an accurate measurement.

Step 2 Determine the Wire Size

Similar to torsion springs, you can use a digital caliper or the 20-coil method to determine the wire size. Measure 20 coils of the spring and divide by 20 to get the wire size.

Step 3 Determine the Pull Weight

The pull weight of an extension spring indicates how much weight the spring can lift. This is usually indicated by a color code on the spring ends. However, the color can fade over time, so it’s best to weigh the garage door. Disconnect the garage door opener and carefully lift the door manually. If it feels balanced, the springs are likely the correct weight. If it’s heavy or difficult to lift, the springs may be too weak. If it flies up, the springs may be too strong. If you know the weight of your garage door, you can divide that weight by two to determine the required pull weight for each spring. It is also possible to use a bathroom scale to weigh the door. Place the scale under the door, raise the door slightly, and read the weight.

Step 4 Measure the Spring Diameter

Measure the outer diameter of the spring. This measurement is needed to ensure the spring fits properly on your garage door system.

Safety Note

Garage door springs are under high tension and can cause serious injury or even death if handled improperly. If you are not comfortable working with springs, please call a professional technician. Always wear safety glasses and gloves when working with garage door springs. Never attempt to repair or replace springs without the proper tools and knowledge.

Final Solution

Once you have gathered all the necessary measurements (length, wire size, inside diameter for torsion springs, and pull weight for extension springs), you can purchase the correct replacement springs. Be sure to buy springs that match the original specifications to ensure proper balance and operation of your garage door. When replacing springs, it’s generally recommended to replace both springs at the same time, even if only one is broken. This ensures that both springs have the same lifespan and prevents uneven wear.

FAQs

Q: Can I use a spring with a slightly different wire size?

A: It’s best to use a spring with the exact same wire size as the original. A slight difference can affect the balance and performance of your garage door.

Q: How long do garage door springs last?

A: The lifespan of garage door springs depends on usage and maintenance. On average, they last between 5 to 10 years. Regular lubrication can help extend their lifespan.

Q: Can I convert from extension springs to torsion springs?

A: Yes, it’s possible to convert from extension springs to torsion springs, but it’s a complex project that requires professional installation. Torsion springs are generally considered safer and more durable.

Q: What tools do I need to replace garage door springs?

A: You’ll need winding bars (for torsion springs), wrenches, pliers, safety glasses, and gloves. For extension springs, you’ll need safety cables and potentially clamps.

We hope this guide has helped you understand how to identify the correct garage door spring for your needs. Remember, safety is paramount when working with garage door springs. If you’re not comfortable performing the replacement yourself, or if you have any questions, please don’t hesitate to contact MM Garage Door Repair Utah. Our experienced technicians are here to help you with all your garage door needs.

Don’t let a broken spring leave you stranded! **Give MM Garage Door Repair Utah a call today at 801-418-9217 for fast, reliable service.** Or, visit our website at mmgaragedoorrepair.com to schedule an appointment online. Let us take the tension out of your garage door repair – we’re springing into action to help you!