After removing the spring they lower the door onto a bathroom scale and read the weight off the scale.
Garage door weight scale.
Once you know the total weight of your garage door using a bathroom scale for doors under 300 pounds you can use the chart below to see the color extension spring you need.
Remove the boards holding the door and record its weight.
Make sure the cables remain loose as you do this.
Slide the scale and the piece of wood that is leveling it under the door and slowly lower your garage door.
Tips for weighing your garage door.
Weighing a wooden garage door is much simpler than weighing a steel one.
Never stand in front of the garage door springs especially if one or both is broken.
Here are some simple tips for weighing your garage door.
The safe zones are to the left right of the springs.
For an 8 foot high door the spring would be 28 inches long with a 48 inch stretch.
Most extension springs for 7 foot high doors are 25 inches long with a 42 inch stretch.
Pry the door up with the medium 2 4 using another small 2 4 or a 4 4 as a fulcrum.
Make sure you have the correct tools to weigh your garage door.
Choose the appropriate species from the drop down list.
The average modern steel single car door weighs around 125 pounds while double car doors weigh about 200 pounds.
Door weight is important when trying to figure out what torsion or extension springs are needed to counterbalance the door.
A standard 25 steel gauge 8 x 7 residential garage door from unique raynor amarr haas midland doorlink garaga northwest hormann delden clopay midamerica martin overhead c h i wayne dalton and windsor will weigh approximately 75 80 lbs and an insulated will garage door weigh approximatly 85 90 lbs.
While pushing up on the bar shake the door to make sure it s free in the tracks.
Choose the thickness in inches from the drop down list.
Large or very heavy doors sometimes require more than one set of scales and adding the values to determine the weight.
Older doors made from wood overlay doors and full vision.
Garage door weight is determined by size material steel gauge thickness insulation and glass.
Owners are able to determine the weight by clamping the door open using a c clamp and disconnecting the spring.