Well, you're going to use 2, so it would be half that each. Consider
that it is trivial to add a little weight to the door if necessary,
but a litlle harder to figure out what you're going to remove to
lighten them a bit.
He does have a point, if not well stated. Those springs (not sure what
kind you have) can be very dangerous to work with. Please keep that in
mind. If you are not 100% certain what you are doing here, don't do it.
Are they expansion type springs (as opposed to torsion, mounted above
the door)? There is some leeway but I would go for a slightly
stronger spring. As stated they can be really dangerous. The door
has to be blocked open when removing. I saw the results of an
expansion spring that went through a garage roof when it broke.
I'd get the 150 pounders. They're going to get weaker as they age, not
And, if the present springs don't have "safety cables" running through
them PLEEZE add them when you put in the new springs. They are very
cheap insurance against what could be a tragic accident if someone is
standing in the wrong place inside the garage place watching the door go
up or down when a spring end snaps off.
AAAAAAAAHHH! SHI#$%$T, MY HEAD MY HEAD MY HEAD MY HEAD MY HEAD MY
HEAD! AND I CAN'T SEE! OWWWWWW, MY HEAD MY HEAD!
Anyone know a good neurosurgeon? Oh WHY didn't I listen to that POS
waste product internet troll? Just because he contributes nothing but
belligerent OBTUSE remarks, I should have listened to the sewage THIS
TIME! MY HEAD MY HEAD MY HEAD MY HEAD!
Actually it wasn't bad at all. The replacement springs at Home Depot
are much smaller in diameter than the originals, and they're physically
shorter, so I needed a little slack in the cables to balance the two
sides. It looks like it stretches farther, which isn't possible because
the geometry hasn't changed at all -- so it stretches exactly half the
height of the door. Like always. The door balances at about waist
height, which is about right.
When the original tore loose it also ripped the bracketry from the
framing lumber, so that had to be reinforced and restored. That took
more time than installing the springs.
The new springs come with safety cables, which is how it should have
been all along.
It wasn't a difficult job, but it was a CREEPY job, especially after
everyone's dire warnings of violent death and dismemberment. Closing
the door the first time was a little unnerving, but it's sturdier than
it was originally and now it has safety cables.
First one I replaced were on a very heavy solid one piece door. It
had a mechanism on each side where the springs were fastened near the
floor at the door and then slanted back from the floor at about a 45
They were about 2 inches in diameter. With the door braced open
they needed to be stretched about three inches to get hooked up
properly. Even with a long bar I was not able to stretch them that
much. I was about ready to give up. Then got an idea. I hooked them
up the best I could and closed the garage door. With the springs
fully stretched I put nails between many of the rungs. Braced the
door open again and now the spring was about three inches longer than
before. Hooked it up where it should be, closed the door and took out
The next time they broke I replaced each big spring with two smaller
ones that could be stretched by hand.
The spring on a neighbors door broke near the floor and it went
through the garage roof and landed in his back yard.
The daugher of another neighbor was seriously injured when one broke
while she was standing nearby.
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