For a standard 7-foot-tall garage door (such as a 16x7 door), the torsion springs require approximately 7.5 full turns (or 30 to 31 quarter turns).
A 16-foot wide residential garage door typically requires 7.5 to 9 full turns (30 to 36 quarter turns) for each torsion spring. The exact number depends primarily on your door's height (usually 7 or 8 feet) and the circumference of your cable drums.
For most standard residential garage doors, the number of full turns required is roughly the height of the door in feet plus 0.50.50.5 (e.g., 7 ft+0.5=7.5 turns). To wind springs safely and accurately, this is usually calculated in quarter turns (the number of full turns ×4cross 4×4).
To measure a garage door torsion spring for a replacement, you must gather three exact measurements: wire size, inside diameter, and total length. Warning: Garage door springs are under extreme tension; if a spring is still intact and under tension, do not attempt to measure or adjust it.
A standard double garage door size—16 feet wide by 7 feet high—comfortably fits two average sedans, crossovers, or smaller SUVs. If you have a pair of full-size trucks or larger SUVs, the 16-foot width still works, but parking may require a touch more precision.
The optimal spring for your door is going to give you the same lifespan whether you go with the perfectly sized option or if you went three sizes up and underwound it. Both will last roughly the same number of cycles before needing replacement. So really, trying to beef up your spring system isn't the smart play.
Just so you're aware a 2inch diameter spring the same gauge and length as a 1.75 will lift less weight so when you're swapping them the coil length between the two sizes will never be exact for those 2 same gauges.
To check if your garage door springs are properly adjusted, disengage the opener and manually operate the door. A perfectly balanced door will take under 10 pounds of effort to lift and will remain stationary at any height. If the door slams shut or flies open, the springs require adjustment.
The most common reason is a broken spring. Without it, the opener can't lift the heavy weight of the door. Look for a torsion spring split in half, an extension spring stretched or broken, or test a TorqueMaster system by manually lifting the door. If it feels very heavy, the spring is broken.
No, you should not use standard WD-40 on garage door springs. Standard WD-40 is a water displacer and degreaser, not a lubricant. It will wash away existing grease, cause the springs to dry out, and can even attract dust and dirt.
Standard garage door springs are typically rated to last about 10,000 cycles (where one cycle is the door opening and closing once). Depending on how often you use your garage, this generally translates to a lifespan of 7 to 10 years for most residential homes.
If you are ordering replacement garage door springs, however, we recommend using springs that are matched. The main reason is to maximize cycle life. Unmatched springs will usually have one with a shorter cycle life that will break first.
There is no single "standard" spring size for a 16x7 garage door. The exact size (wire thickness, inside diameter, and length) depends entirely on the total weight of the garage door. Most 16x7 doors weigh between 130 and 250 lbs and use a pair of two springs.
Generally speaking, more coils mean that the spring is smaller and longer in diameter. This means less material per coil, resulting in a weaker spring. However, having more coils can also mean the spring can withstand greater compression or extension before reaching its limit.
So, if you have a 7-foot (84 inches) door, the spring will typically need ~7.5 full turns or ~31 quarter turns (Plus or minus a few quarter turns to find the right balance).
If the spring is too strong or too large, it will exert too much pull on the door and keep it higher than it should be. For instance, a closed door won't be able to stay on the floor, while a door that's supposed to be opened halfway will be higher up.
To measure a garage door torsion spring for a replacement, you must gather three exact measurements: wire size, inside diameter, and total length. Warning: Garage door springs are under extreme tension; if a spring is still intact and under tension, do not attempt to measure or adjust it.
Yes, garage door torsion springs require lubrication. Oiling them helps reduce friction between the coils, prevents rust and corrosion, and keeps the door operating quietly.
A standard 16x7 garage door typically costs between $750 and $4,000, fully installed. Your final cost will depend heavily on the material, insulation (R-value), windows, and whether you need to add a new motorized opener.
An uninsulated garage door is perhaps the biggest culprit for heat loss in your garage, as there is no barrier to slow the heat transfer out of your garage. In order to protect your garage from heat loss, you need a door with insulation.
If you have a double garage door, typically 16 x 7 ft. (4.9 x 2.1 m), or you are using a solid wood door, your best option is a motor of 700 N or ¾ HP.