alt Hacker NewsNeither is grout. Grout is water permiable. You shower is water proof from the water proof backing we install the tile on top of.
Cement board + roll on or something like kerdi system.
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DANmode • yesterday at 7:58 PM
My shower is waterproof because it’s a one-piece insert made of plastic.
Other shower materials that aren’t absolutely insanely stupid include glass, quartz, and other non-porous materials.
Because biology.
tpm • yesterday at 12:12 PM
right, but lime will be washed away by the water if no waterproof layer is added
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This is why you pay the premium for epoxy grout. When we redid our house we used only epoxy grout and cleaning it as as simple as using a foaming tile spray.