New Exterior Pre-Hung Door

Old 10-10-02, 04:45 PM
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New Exterior Pre-Hung Door

I am building a new garage. Things have worked out well up to this point, now I have a question I cannot find an answer too.

I went to test fit my pre-hung service door and the concrete isn't level (imagine that) So to get the door to swing right I either have to hang crooked so the frame is square or shim it under the sill to bring one side up and level and square it. Which is the right way to go? Is it ok to shim under the sill?

Old 10-10-02, 10:49 PM
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Shim under the sill to get the door frame square and plumb.
I would saw a piece of pressure-treated 2X4 for a beveled shim the width of the frame, and caulk under and above it.
Use concrete nails to keep it in place, if you want, although he silicone caulk should do it.
Good Luck!
Old 10-11-02, 08:30 PM
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You could also shim and install your door, and then use some quick set concrete underneath the door to make sure your door sill doesn't sag.
Old 10-16-02, 09:00 AM
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I wonder if there are expanding foams dense/strong enough to pump under the sill in that case?

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