Springs

Garage Door Extension Springs : Double Loop vs Single Loop

March 06, 2024 2 min read

Garage Door Extension Springs : Double Loop vs Single Loop

Understanding Garage Door Extension Springs: Single-Loop vs. Double-Loop

Hello! Deciding between single-loop and double-loop extension springs for your garage door? Both play a crucial role in the safe and efficient operation of your garage door, but they serve different needs. Let's break down the differences to help you choose the best fit for your garage door system.

Overview of Extension Springs

Extension springs are vital for balancing the weight of your garage door, providing the tension needed to lift and lower the door smoothly. The type of loop—single or double—affects the spring's durability and how it connects to the garage door system.

Single-Loop Extension Springs

Single-loop extension springs have one loop at each end and are typically used in lighter garage doors. While they are efficient and cost-effective for certain setups, they may not provide the same level of durability as double-loop springs.

Double-Loop Extension Springs

Double-loop springs feature two loops at each end, offering a stronger connection point and greater durability. Ideal for heavier doors or systems requiring more robust support, they're designed to withstand more cycles of opening and closing.

Making the Right Choice

Your choice between single-loop and double-loop springs depends on the weight of your garage door and the level of usage it gets. Double-loop springs might be the better option for longevity and reliability, especially for heavier doors.

Sizing Guide and Ordering

To order the correct extension spring, you'll need to know your garage door's height and weight. Our springs are color-coded for easy identification, but make sure to match the spring to your door's specifications for the best performance.

Click here for a detailed guide on measuring and ordering extension springs for your garage door.


Also in Garage Door Parts - DIY Handbook

Why Do Garage Doors Need Torsion Springs Expert Explains
Why Do Garage Doors Need Torsion Springs? Expert Explains

October 08, 2025 3 min read

Think of your garage door springs like the counterweight in an old elevator. Without them, your door would be incredibly difficult to lift manually, and your garage door opener would burn out trying to handle all that weight on its own.

Read More
What Size Garage Door Spring for a 16x7 Door
What Size Garage Door Spring for a 16x7 Door?

October 07, 2025 3 min read

Here's something that surprises a lot of people: there are usually several different spring combinations that will work for your 16x7 door. You might be able to use a single heavy-duty spring or two lighter springs, depending on your setup and preferences.

Read More
Are Longer Garage Door Springs Really Stronger?
Are Longer Garage Door Springs Really Stronger? The Truth Might Surprise You

October 06, 2025 3 min read

Don't get caught up in the "stronger is better" mindset when it comes to garage door springs. Focus on getting the correct spring instead. Your door will work smoother, last longer, and save you headaches down the road.

Read More