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If you want to do it right, they make a real thick rubber/vinyl sheet stuff that's made for under your shower pan and goes up the walls a little ways. This is used for building a shower pan out of concrete or thin-set mortar over a wood subfloor. Google "shower pan mud job". Basically you lay the sheet down into the drain and up the walls a little ways and seal it against itself. Then you mud over it to form your shower pan. Finally you lay your tile on the floor and walls with thin set mortar. The rubber sheet seals the wall and floor joint if it moves and water gets in the cracks it runs down the sheet and into the drain. This is a permanent installation.
STUB:I saw some "ROLLS" of some sort of "Tile Sealer Sheets" at Menards that were maybe 3' x ? long. I did not look closely at them & I THINK they said Concrete Counter Top Sealer Sheets. I think for use under formed in-place concrete counter tops. Saw them just in passing & best thing was they were in clearance rack. Assuming that one would lay this on the floor and up the sides say 4" and then also apply to the sides/walls and down over the floor layer so it has a fully sealed "surround & floor?
Does it lay on with standard mastic adhesive or does it require some other mastic?
don't forget , they make "epoxy grout" for shower tiles and wet areas ... water proof when dry and no mildew
Jaotguy: that was what I was planning on using on top of adding a final grout sealer just in case.
Questions. I have the DuroRock Boards on the BACK WALL only I also have used the Tile Tape and taped up it's seams and the corners to the walls with no rock on them yet. I figured I can then have an overlapping seam at the Vertical Corners. When I add the Wet Wall and the End Wall Durorock Boards I will then re-tape those corners from Rock to Rock boards (dual tape sealed.)
What I have also done is hold the Rock up off the floor about 1/4 ~ 3/4" depending on Fall so that Bottom Concrete Floor has a GAP that I need to FILL. There is a 50yr Silicone Rubber Seal/Caulk between the Floor & Framing Lumber. What would be best to fill that void with, the "Epoxy Grout" or "Tile Mastic" or ??? I'll try & get over to look at the Vinyl Sheet Tub/Pan sealer stuff this weekend, which I was already thinking about when Stub Mentioned it. I'm Assuming that this VOID has to be filled with something prior to this going in so it has something to seal against.
This is where I stripped the floor I started with a 9" Grinder with a Masonry Disk on it, STUNK (had good Disposable still dusk mask on.)
So I grabbed the Belt Sander with 36 grit Carbide belt on it, a little better but still not great.
so out came the old sand blaster & the once used cabinet Garnet/Black Beauty 40 grit. the "d" or "C" was about 10 seconds to blast so best surface & fastest though clean up and prep was a bear.
I made a decision that is taking me a few steps back today, I increased the size to be more of a Trapezoid than a Rectangle.
I Stripped all the Water Based Floor Sealer & Stain off today,
Shows Back Wall & the VOID at the bottom to be filled this is about 3/8" or so.
This is the FINAL shape of it after the changes. I have to re-plumb my incoming water line now so when I Glass Block the part wall in the lines will be out of the way so if I ever want I can Glass Block it all way to top shelf.
it is (Back Wall) 4' & End WET WALL is 3' while the Back Splash (OSB WALL) is now 4' and when I get to it it will have a 30" wide full height Glass Block side closure wall with a curtain in behind it and that will slide out/over that Crock/Sump where the shower will drain.
So thoughts?
Need answers to FILL VOID with best material to seal/not shrink up.
Best way to Seal Floor to Walls?
Best Mastic to use waterproof plastic stuff or??
Everything was pretty dry, but dropping into freezing and snow tonight !?!?!
thanks
Mark