Action Hardware

Garage Door Extension Springs 48" X 66" for 11' High Doors

SKU:: 48-66

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$46.13 - $102.81

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Product Description

Extension Springs from North Shore Commercial Door make opening and closing an 11 foot overhead door easier and safer by counterbalancing its weight. Extension springs install with a heavy duty S-Hook to stationary brackets that hang horizontal garage door tracks from the ceiling, while the other end of the spring is connected to a safety cable safety cable-and-pulley assembly connected to the garage door. As the door closes the springs extend, lightening the load of the door and slowing it as it lowers. As the door opens the springs retract to lift the door upwards and into the horizontal position. When the door is in the open position sitting on the horizontal tracks, the initial spring tension is enough to hold the door in place. Garage door extension springs are color coded by door weights ranging from 100 lbs to 300 lbs. For a complete list of garage door extension springs for 7 foot, 8 foot, 9 foot, 10 foot, 11 foot, and 12 foot tall doors Click Here. Product Highlights:

Replacement springs for 11 ft. high doors
Provides a counterbalance to the weight of a garage door
Makes closing and opening a garage door safer and easier
Extension Spring systems require two springs; Sold by the pair
Uses a garage door cable-and-sheave assembly to transfer the weight of the door to the springs
High Quality new springs to replace old springs for garage door repair and home improvement
Door weights from 100 lbs to 300 lbs
Springs extend as the door closes, retract as the door opens
Spring manufacturers color code springs by their weights to ensure the correct spring is chosen for each door
Initial spring tension holds the door open

For a Complete List of Garage Door Extension Spring Accessories Click Here Determine the door weight and door height: 1. The pull weight of an extension spring is determined by the color code found on the end of the spring. See Chart Below. 2. Measure door the height. 3.Springs are only sold in pairs. If you cannot determine the color code, it will be necessary to weigh the door. To Weigh Your Door: 1. Raise door completely. Disconnect power and lifting arm of garage door opener. 2. Fasten "C" clamps or vice grips under bottom rollers to retain door. With tension completely off extension springs, disconnect springs from track support. 3. Remove "C" clamps or vice grips and lower door by hand. Note that entire weight of door, which could exceed several hundred pounds, has to be lowered slowly by hand so more than one person is needed. 4. Set bathroom scale to zero and place under center of door and record door weight. 5. If door weight exceeds capacity of the scale, use 2 bathroom scales. Add a 2 x 4 with one end on one scale and the other on a second scale with the door perpendicular to the 2 x 4. Add the respective weight from each scale together to get the total weight of the garage door. DASMA Spring Color Codes: EXTENSION SPRINGS