HAVE A SHOWER THAT WILL HAVE cbb BACKERBOARD, EXISTING BATH WALLS ARE PLASTER, ANYTHING SPECIAL TO DO TO BUT THE TWO EDGES, GOING TO TILE THE SHOWER LATER. THANKS KILLDEVIL.
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If the joint will be covered by tile, be sure to use mortar in the joint rather than joint compound.
That, and turn off your "caps lock".
J. D. Reynolds
Home Improvements
JD:
thanks, caps off, can i use something like portland cement quik patch mix in the joints.
one other question, i need to patch an area in the plaster wall,
can I use drywall instead of building up plaster. 12" x 12".
or what would you do.
Thanks, Killdevil
If the area where the backer board meets the plaster will not see water (I'm guessing it's outside the shower area), then just use joint compound. Durabond is best just in case it ever gets a little wet. It's not water-proof, but it is more water-resistant.
I use drywall to patch plaster all of the time. I never had a problem. I fill the joints with setting compound (like Durabond) since it doesn't shrink as it cures. For an area 12 X 12, I would also use joint tape after the first fill coat cures.
thanks will do
killdevil
We use setting type compound by Durabond for that joint
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