===============Guess it really comes down to "who is a typical" DIY individual...
I installed my own on all 5 bays in my garages without any problems at
all... pretty simple to do... like all things the energy you wind into
the springs can do a number on you if you are not working safely but
that can be said about nailing a picture up in the bedroom also...
Bottom line is call and see what a door company would charge and see
if your time is that valuable to you....
There is nothing to it if you know what you are
doing, recognize the power of the wound up
springs, and work safely (that means having the
correct tools (about $10).
I suggest that you have a pro install the first
time and that you watch what he does. Then you
will be prepared to fix the next broken spring and
know how to adjust your spring tension as the
I almost broke my finger once. Never again. Also if one side broke, I'd
have both sides replaced. Rub the new springs with oil soaked rag. Dry
running springs shortens the life. I was told by the door guy.
======================================I honestly can not see how putting a thin coating of oil on the spring
will increase its lifetime...Rust prevention ? I just do not know,
or I am not awake enough this morning to really think.....
Other that I also find it hard to imagine how a torsion spring would
break in normal operation...
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