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Old 02-01-2012, 08:51 PM   #1
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Joining 1/2" backer board to 3/4" drywall


I'm doing my first bathroom remodel. I'm replacing the old 3/4 in. drywall in my shower stall with 1/2 in. backerboard and tiling over it. How I finesse the seams? A lot of mud and fan it out? Is there a vapor seal that might make up the 1/4 in. difference? Is there a 3/4' backerboard that isn't at sold at Home Depot or Lowes I don't know about?

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Last edited by prestoham; 02-01-2012 at 08:55 PM. Reason: mistakes
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Old 02-01-2012, 08:56 PM   #2
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Joining 1/2" backer board to 3/4" drywall


No, but there's 1/4 lattis to shim it out with.
Sure it's not 5/8 drywall? Never heard of 3/4".

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Old 02-01-2012, 10:31 PM   #3
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Joining 1/2" backer board to 3/4" drywall


Quote:
Originally Posted by joecaption
No, but there's 1/4 lattis to shim it out with.
Sure it's not 5/8 drywall? Never heard of 3/4".
That would be one heavy sheet of rock.
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