woodr repair - filling hinge mortices

homeboundMarch 11, 2012


I'm looking for some repair suggestions for filling/removing several hinge mortices. This is for regular closet doors that are being converted to bi-folds. We don't want to replace the jambs. Any suggestions?

I am considering Minwax high perfomance wood filler, but trying to draw that with a 6" blade around an outside corner (the reveal, as it turns toward the casing) is a bit of a pain. Any thoughts? Maybe a stiffer product would be a better option. Thanks much

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If you are going to paint the repair, use drywall mud. It is shapeable and easily sanded. You will need to allow extra drying time if the repair thickness is more than 1/4"---and you may need to sand and add more after the first application.

Just primer over the patches and then primer the entire piece.

    Bookmark   March 11, 2012 at 9:15AM
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Go to a hobby store and get some thin modeling wood.
Basswood should be adequate.

Hinge mortises are normally about 1/8 inch deep, so get 3/32 wood.

Remove any paint in the mortise and then use a wood glue to fasten pieces of the thin wood in the mortise.

Use Minwax filler to even it all out.

Under a coat of paint the repair should be invisible.

Drywall compound runs a significant chance of showing hairline cracks as the trim changes size over the year.

    Bookmark   March 11, 2012 at 11:54AM
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I have seen several DIY shows that recommend using Bondo. Yep the stuff used for cars, to repair wood window frames and sills. Just passing this along, as I have not tried it.


    Bookmark   March 11, 2012 at 12:43PM
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For the filling, obviously a slip of wood is the craftier solution.
If using bondo (or the minwax stuff) I like to work the patch with an overlay of wax paper, which allows one to get a smooth fill without pulling at the edges. You peel off the wax paper as soon as the bondo begins to set; you want to use the cheese grater/Surform tool to level the patch before the bondo gets ultimately hard, which it will do within in an hour. After which time you will have to use a wood sanding block to level it.
Casey; Bondo's in my veins.

    Bookmark   March 11, 2012 at 1:52PM
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I have repaired numerous widow sashes and door casings with Minwax.

You can easily shape it with sharp wood chisels and carving chisels before is sets up completely, then go back and clean it up again with chisels and sandpaper once it is fully set.

Bondo is harder once it sets and a little tougher to sand out.

    Bookmark   March 11, 2012 at 2:17PM
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Thanks much for all the suggestions.

    Bookmark   March 14, 2012 at 9:57PM
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Christopher Nelson Wallcovering and Painting

"Bondo is harder once it sets and a little tougher to sand out."

That is a very kind statement indeed

    Bookmark   March 16, 2012 at 6:15AM
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I agree with sombreuil_mongrel. Moreover I agree with your ideas. Thanks for sharing.

    Bookmark   April 11, 2012 at 4:41AM
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