How do I waterproof this area in my shower???


Old 04-24-06, 12:41 PM
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How do I waterproof this area in my shower???

I'm redoing my shower, and I put a cutout in the shower wall to form a niche or tray for shampoo, soap, etc. It's about 1' tall by 10" wide and 4" deep. Currently, it's built in plywood, but if I screw backerboard onto it, how do I waterproof it? Tar paper??

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Old 04-25-06, 07:20 AM
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You can skip the plywood and fashion it out of cbu. Tape and thinset the seams and then give the surface of the niche and the walls about 8" surrounding a coating of a trowel on waterproofer such as Redgard.

Got felt behind the backerboard walls?
Old 04-26-06, 09:32 AM
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PROXIE THANK YOU: OH-GEE I didn't know that! Thank you Tilebri for your help I appreciate it and I appreciate you contributing your free time here to answer questions for all of us.

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