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Backer Board / Drywall Questions for Curbed Shower

What is everyones recommendation on the following:


- Which backer board thickness (1/4, 1/2, 5/8) should be used for shower ceiling? (Rest of the bathroom ceiling is 5/8" Drywall)


- Would drywall work just as well as backer board for tiling ceiling?


- What thickness backer board should be used for tiling shower walls?


- Best backer board material for tiling?


Thanks in advance.

53 Views
Isaac Ostrom
Isaac Ostrom
Jan 20, 2023

I would use 5/8" drywall with RSS sheet membrane over it. Kerdi or Laticrete sheet membrane would work too.

1/2" backer on the walls.

I like Perma Base or Durock for walls or RSS, Laticrete, or Go Board if you want foam.

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