Garage Door Extension Spring Lift Mechanism

Plug end extension spring is a p728 28 in.

Garage door extension spring lift mechanism.

Garage door extension springs double hook more durability all dura lift extension springs are manufactured from oil tempered spring wire meeting astm a229 and are designed for a minimum of 10 000 cycles. Garage door spring cost. This is important because different doors weigh different amounts and you want springs with the appropriate lifting power for your particular door. When it comes to extension springs the purpose of the color coding system is to help the company performing your garage door service determine the lifting power of the springs.

Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Finished springs are coated for improved corrosion resistance and handling. Door with an initial tension of 110 lbs. 5 10 cm above the door.

1 2 inches diameter x 18 inches long torsion spring winding rods garage door winding bars use for adjusting or replacing garage door tension springs. Two p728 springs one on each side of the door can handle a 90 lbs. Add 2 inches 5 cm if you plan on installing an electric door opener. A torsion system requires more headroom standard.

Repairing a broken garage door spring costs 40 to 80 for winding balancing and lubricating the springs. Plug end extension spring is a spring replacement for 1 piece tilt up canopy style garage doors. This spring system is located either above the garage door opening for a standard lift or at the ends of the horizontal tracks for a low headroom lift double horizontal rails. 8 doors require a 27 spring that stretches up to 48 75 total length when to door is closed extension springs are a non returnable item call customer service if you have any questions.