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modified thin set

  1. Modified Adhering to Unmodified Thinset

    Tiling, ceramics, marble
    I'm currently redoing my master bathroom. I purchased a Schluter shower kit to use for the shower pan. Per directions, I used an unmodified thinset to adhere their waterproof membrane to the backer board walls. I was not comfortable with how I adhered them, so after a few weeks, I pulled the...
  2. Modified vs. Unmodified Thin Set for Kerdi Shower Install

    Tiling, ceramics, marble
    Hello, I'm in the process of completing a new below grade basement bathroom with tiled shower and have been researching Schluter Kerdi as a waterproofing membrane. As per the Schluter Kerdi install guide I have used drywall for my shower walls and have a slopped concrete mortar bed for my...
  3. To Schluter Ditra or Not

    Flooring
    I have a 4' x 5" powder room. The vinyl asbestos tile is gone. The asphalt "cutback" remains. It's well adhered to the concrete (55 years cured). I have read on these threads that I can use a modified thinset (Merkrete 735 Premium Flex) right on top of the cutback and then lay my 12x12 ceramic...
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