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SandwichBear
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# Posted: 7 Dec 2013 12:10pm
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I'm in the finishing stages of my first ever build. It's an 8'x12' tiny house. I have exposed 2x6 joists, and 3/4" plywood loft decking which is visible from below. The plywood is a little on the ugly side, and I was considering some kind of covering. (Money has been very up and down throughout the project, and I got the 3/4" ply from dumpster cutoffs. Solid, but not beautiful. Wouldn't improve much with paint.)
I have some leftover sheetrock. Can I just screw 1/2" sheetrock directly to the underside of the plywood with short screws? I don't want to bother if this seems likely to crack, or is a bad idea for a reason I didn't think of.
Thanks
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MtnDon
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# Posted: 7 Dec 2013 02:34pm
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My first thought is that the drywall would be difficult to make look nice... screw holes to fill... the drywall might crack if you were too close to the edges. But then I don't like trying to fit anything into joist or rafter bays as it is difficult to get a nice even fit. I's probably drywall the whole underside or save up and buy T&G boards to do the ceiling.
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bldginsp
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# Posted: 7 Dec 2013 05:56pm
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I would say its feasible with the cautions MtDon mentioned. All you want is a smooth attractive finish between the bays. If you would prefer this to sheet rocking the underside of the joists, I'd suggest gluing on 1/4 inch Sheetrock using water based contact cement or regular construction adhesive like liquid nails. You might need to screw blocks to the joists to hold it in place while it dries. Gluing avoids the screw holes, and the difficulty of holding the stuff in place while you reach for screws.
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toyota_mdt_tech
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# Posted: 7 Dec 2013 06:12pm
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I would just sheetrock right over the 2X6 instead of filling i n the bays. Or like others mentioned, nice T&G planks running across the 2X6 would be nice too.
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Danielcan
Member
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# Posted: 7 Dec 2013 09:52pm
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First I'd tape the joints with fiber tape and spot the knot holes with wood filler, then I'd just fill the underside of the plywood with con-fill, sand, skim it with finish mud, sand and paint, just as is done in high rise apartments with concrete ceilings.
Or if you prefer, glue twelve foot strips of gyprock betwix the joists with gyprock glue, then caulk the edges.
If that doesn't suit you maby three or four coats with a spray texture machine then fog it in with kills paint.
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