Sheetrocking in the basement stairway and there are some rough pine beams. We brought the Sheetrock right up to beams and it flush, but the beams will look weird if we just paint them without smoothing them out somehow (says the missus). Sanding them will be a loathsome task....I was wondering if I could just apply a shim coat of joint compound over the rough pine then smooth that out?
I've mudded over wood without any problems. The rough cedar may be somewhat problematic as you will get pieces of the cedar in your joint compound and that will frustrate you to no end. At least sand it enough to remove some of the larger chunks that are bound to come off when you run your broad knife through the joint compound.
Another problem that may arise is that the cedar has oils/tannins in it that may wick into the joint compound. You may then have to prime with a stain-blocking primer to keep those tea colored stains from showing up in your primer and paint.
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