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Drywall "shims": Why is this a bad idea?

Drywall "shims": Why is this a bad idea?

Old 04-18-10, 02:14 PM
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Drywall "shims": Why is this a bad idea?

My basement has several 4" diameter metal posts supporting the structure. I am dividing part of the basement, framing walls between the posts. The 2x4 lumber is 3 1/2" wide. When centered between the posts there is 1/4" space on either side. All of this makes sense.

I am trying to find a way to completely conceal the posts behind plain drywall. One thought I had seems too simple to be a good idea so I'm looking for validation either way. The idea is: Buy a sheet of 1/2" drywall, cut it into 1 1/2" strips, use construction adhesive to glue the strips to either side of each stud, then install drywall (in the normal fashion, with drywall screws) on top of that. The extra 1/2" on either side will give me a 1/4" gap between the metal post and the drywall which will completely conceal the post from view.

Is this an acceptable way to approach this? If not, what are my options? Keep in mind that buying new lumber is not an option. Thanks.
Old 04-18-10, 05:10 PM
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Why not just fill frame it in the 1/2" plywood rather than messing with the strips. It will give a more solid backing for the sheetrock and will give adequate spacing as well. Make sure all 4 sides overlap equally so they are the same size all the way around.
Old 04-18-10, 10:35 PM
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No more than drywall costs I think you would be money and time ahead to simply put two layers of drywall on each side of the wall. Stagger the joints. Use only enough screws to hold the first layer in place and use screws long enough on the second layer to allow for the double thickness.

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