Is the door designed and intended to function with an automatic
You aren't trying to fit a closing mechanism to a patio type
sliding door on a house or something ?
Look into Stanley door closers, they come in many sizes and
I have a Doormatic patio door opener that works pretty well but I am
not sure they make them anymore. I didn't get any hits on google.
I was using a pulley and a weight for years but you need a light very
well lubed door to make that work without a significant opening force.
When I bought a heavy duty Andersen Frenchwood door, the pulley weight
thing didn't work.
Using a pull scale, the practical limit seems to be 3-4 pounds before
the 8-10 pound opening force is oppressive to the girls
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