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I recently saw an article somewhere that described step by step the method of waterproofing a soap nich recess in a tiled shower. i was wondering if anyone could direct me to that article
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Don't know about the article, but you can do this.
Make rough cutout centered on area where you want the niche. Use tile size/layout to help decide exactly where this is. Rough out is, generally, 2" wider/taller than finished size.
Build wood frame to rough out size. Nail off at studs. Don't install drywall in niche.
Use tar paper, const. paper, or poly film for water proofing. You must pay attention to how you will lap the paper to ensure waterproofing qualities. Basically, start your paper at the bottom, then the back, then the sides, last is the top. I lap at least 2". Bottom laps over wall/back laps over bottom/sides over back & bottom/top over back and sides. Use metal lath/chicken wire(your call).
Float cement setting bed. Slope bottom just enough for water runoff(a redhair in 2").
If using sheet goods--like Hardibacker, etc.--be sure to tape joints with their product. Or, use silicon caulk to seal joints.
*I agree with Rich on layout. You'll avoid a lot of tedious cuts and have better appearance if the niche works with full tiles or radius edge trim tiles that match the rest of the job. And if possible position the opening so all grout lines line up.If you're mudding in the shower floor the rubber pan material can be used for waterproofing the niche and they'll probably be some scraps.You might want to make it big enough for bottles of shampoo, bath oil, whatever the family uses.