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How do I stop cracks from forming in corners of trim?

How do I stop cracks from forming in corners of trim?

Old 03-18-09, 08:57 PM
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Join Date: May 2006
Location: Vancouver, BC, Canada
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How do I stop cracks from forming in corners of trim?

We live in a 43 year old home that is quite poorly insulated and has no vabour barriers so our upstairs is quite cold during the winter and hot during the summer. I just redid all the trim in our rooms and now cracks are forming in the corner of the casing and the baseboards, as if the two casings are expanding away from each other. Is this caused by our poorly insulated house? We also notice that during the summer a couple of doors stick and rub against the frames, but in the winter they open fine. I should mention we live in Vancouver, Canada so our winters aren't too cold, but we do get a lot of rain.

We are looking at ways to better insulate our house, but I was wondering if there is a way to help cracks from forming on the trim before we fix the insulation issue if that is the cause of the cracks.
Old 03-19-09, 03:53 AM
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Join Date: Mar 2005
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When wood obsorbs moisture it swells, when it dries out, it shrinks. I would assume that insufficent insulation would contribute to humidity changes.

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