couple weeks ago I was talking about how my tile board was not plumb. I got a wild hair last weekend and rip the whole project out, tile board, concrete and shower pan. I need to fur the tile board about a 1/4 inch to clear the shower pan folds. I was lucky enough not to punch the shower pan, so I can reuse it.Question: Do I use treated or non for the fur strips.
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I always use strips of wood lath.....no need for PT......especially if you install a layer of roofing felt over everything.
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Just to clarify things you are talking about backer boards for tile walls, right.
Tile board is a hardboard panel coated with melamine and stamped with a fake tile patern.
yes Hardi backer board on walls for tile
I just did the same thing - not the tear out but the backer board prep. I ran the tarpaper on the wall studs to lap over the pan edge, then tacked lathe over it to creat a breater space and shim to right positioning. I nailed it pretty well with fine nails and used PL to place the cement board on along with the special screws. I did rip th elathe out of PT because I had some laying around that was left over, but I don't think it was all that necessary, because it will breathe, and because it is on a vertacle surface, and very little water is likely to pass through to it.
Now, If you were talking about shims to gain drain pitch on a poured in place floor pan, I would definitely say PT
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I`ve thought about doing the same....breather space.....but I`m concerned that it not being truly ventilated.....i.e. open at top and below....might it not act as a channel to actually trap moisture?
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In other words, are weep holes needed? I dunno.
Most of the guiys around here don't even put plastic or tarpaper behind the cemnent bd and no signs of spotting on cielings below, but it seems like whenever there is a demop, the suds behind show signs of having been wetted.My assumption is that not enough water penetrates to make a diff.
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In other words, are weep holes needed?
No.....I guess I wasn`t clear enough.
I`m not concerned with water actually penetrating the tile and backer board and needing an escape route.....I`m thinking humidity. As when insulating a typical exterior wall, you want to make sure there is little to no void between insulation and drywall.
I`m just wondering if concerns about trapping moisture in such a void might not be heightened in a bath, shower, wall?
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