Garage Door Extension Springs Sizing

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Garage door extension springs sizing.

Color coding is the consistent measure for extension springs a 150lb red spring for a 7 door could have been manufactured in several different sizes if you are not sure what color your old spring was use a bathroom scale to weigh the door while it is unsprung and disconnected from your door opener. The length is the measurement of all the coils pressed together. For a one car garage door carefully lower the garage door onto a bathroom scale in the center of the garage door. If your garage door has extension springs the springs stretch out as the door closes and retract as the door opens the garage door industry has released a standard color chart for the strength pull for these springs as seen in the table below.

Finding the right size springs is a crucial part of repairing your garage door and ensuring it lasts for years to come. Many of these doors are counterbalanced with extension springs also designated stretch springs and they have seven characteristics. Many of the older extension springs may not have visible paint color on either end of the spring. Torsion springs vs extension springs.

In this post you ll find a garage door spring chart for torsion springs and extension springs. A functional garage door system lifts the door in a balanced manner. Sectional garage doors are hinged and they bend in the tracks as the door opens and closes. The weight that shows on the bathroom scale is the size extension spring you need to order.

A failing unbalanced or poorly matched spring. An unbalanced door is a sign of. Torsion springs and garage door weight. Carefully remove the extension springs from the garage door.

Torsion springs need to provide enough force to equal the weight of the door.