Kerdi Shower Kits - Waterproofing

kerdi shower kits | eBay

Schluter Systems KK122PVCE Kerdi 48-Inch x 48-Inch PVC Shower Kit with Stainless Steel Drain

$481.37
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  • TAG : KERDI-BOARD Panels; Profiles; Accessories; Membranes
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  • Schluter Kerdi shower kits were far easier to install than rubber liners and double layers of sloped mud. All of the Kerdi is installed just beneath the tile, so moisture cannot get trapped. Schluter's waterproofing system allows a shower to completely dry out in days. I've torn up concrete mud floors that retained moisture for weeks! Schluter's introduction of a novel concept - a square drain - was an additional long overdue feature of the Kerdi system.

    The Kerdi shower kits do this by addressing what is commonly the MOST TROUBLE PRONE aspects of showers, namely the junction of the DRAIN to the "finish" flooring. The pre-sloped expanded polystryene foam is just one aspect of the "system" but because it eliminates the most labor / skill intensive part of a tiled shower floor (the built-up mortar bed) it gets the most attention.

  • Originally Posted by chet everett
    First off you need understand what EACH of the compenent in the "schulter system" is trying to do -- help create the best, most waterproof, crack free tiled surfaces possible in a time efficient way.

    The Kerdi shower kits do this by addressing what is commonly the MOST TROUBLE PRONE aspects of showers, namely the junction of the DRAIN to the "finish" flooring. The pre-sloped expanded polystryene foam is just one aspect of the "system" but because it eliminates the most labor / skill intensive part of a tiled shower floor (the built-up mortar bed) it gets the most attention.

    The "weakest link" in a traditional built-up mortar bed is the area around the drain -- even highly experienced tile setters often cannot get this to form a perfect seal around the drain and eventually leaks develop. With Kerdi Drain this critical junction is literally setup in minutes and in such a way that any water that makes it through grout or gaps will be drained away and never escape to the underlying wood structure to cause problems.

    The OP asks a legitimate question about the relative softness of the poly foam. It is not designed to be used in situation where you'd have a massive "point load" -- it goes without saying that you are not going to having tile setters wearing stilletos during installation! In practice, once the tile is installed, the point load is a non-issue -- even if you / your freaky clients do wear stilletos in the shower there is layer of tile over the the foam and I would challenge anyone to be able to apply the kind of pressure to even a 1/2 " mosiac type tile that once could with a "thumb" or fingertip...

    The product instruction clearly spell out that you should protect the surface until it is tiled and and even then, if you are planning on putting a stepladder (or tall stool) on the freshly tiled based you should have a sheet of plywood to cover things...

    The products from Kerdi are excellent and do result in a more uniform, leakfree shower.

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