Home»Double Car Doors Extension Springs (220-250 Lbs)
Extension Springs (220-250 Lbs)
the door weight and door height.
pull weight of an extension spring is determined by the color code found on the
end of the spring.
(Refer to Color Code Chart below.) 2.
Measure door height. Standard height is 6 ft. 6 inches or 7 ft. If your door is
over 7 ft. high, call for pricing.
If you cannot determine the color code, it will be necessary to weigh the door.
is how to weigh the door:
Put the door in the up position and secure. The best way to secure the door in
position is to snap a vice grip under both the bottom rollers. 2. Remove the springs from the door. 3.For a one car opening, lower the door onto one bathroom scale in the center
door and read weight.
For a double door (16 ft. wide or larger) use two bathroom scales. Locate
scales two feet in from each side. Take the weight of both scales and add together
for door weight. 4.
Measure door height. Standard height is 6 ft. 6 inches, or 7 ft. If your door
7 ft. high, call for pricing.
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