Garage Door Extension Spring Lift Mechanism

A garage door spring needs to be tough and resilient enough to lift however heavy your garage door is.

Garage door extension spring lift mechanism. Extension springs 2 pack are made of spring steel and designed to be mounted perpendicular above the horizontal track of the garage door. 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. If you own a garage door you re probably aware that springs are an important part of the door mechanism. Even doors that are opened and closed manually use springs.

As you can tell by the name extension springs extend and stretch. 12 30 cm. If your garage door uses only one torsion spring lifting the door manually could be extremely difficult unless you are able to lift between 150 and 300 pounds depending on the weight of the door. A torsion system requires more headroom standard.

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. 5 10 cm above the door. Double hook more durability. They stretch to provide lifting power for the garage door.

Garage door extension springs. The springs have a safety cable inside to prevent injury in case of accidental breakage. Extension springs 2 pack are the overbuilt 130 lbs. 7 doors require a 25 long spring that stretches up to 42.

Finished springs are coated for improved corrosion resistance and handling. Starting with our easy to use selection tool you can easily find the garage door extension springs you are looking for the 1st time. Since garage doors typically weigh hundreds of pounds opening them without the aid of springs would be a practical impossibility for most people and would also be beyond the capabilities of the automatic garage door opener. The weight listed for each spring is for a pair of springs 1 spring rated for 150lbs will only lift 75lbs.

The most common grade of torsion springs have an expected life of about 10 000 cycles wich are estimated to last between 3 7 years. A remote controlled motorized mechanism for opening garage doors adds convenience safety and security. There are many types of springs for garage doors and we ll take you through each one. 2 types of garage door springs extension springs.

A problem with the spring tension could cause the door to open or close unevenly improperly or at the wrong speed and adjusting the springs will likely solve the problem. That said you should only lift the door with a second set of hands. The garage door torsion spring system can lift garage doors weighing from 45kg to 210kg. The weight of the door may be 400 lb 180 kg or more but is balanced by either a torsion spring system or a pair of extension springs.