Ceramic Tile Mastic

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Choosing An Organic Mastic Adhesive

Although inferior to a quality thinset mortar, top quality projects can be achieved using an organic mastic adhesive.

  • Avoid using organic mastic adhesives for floor installations.
  • Bows, dips, and waves on finished sheetrock and ceramic tile backerboard panels should be repaired prior to installing ceramic tile.
  • Never use organic mastics adhesives to install bathroom fixtures or marble sills. Use a non-sanded thinset mortar or other appropriate bonding agent instead.
  • We recommend the use of Type I or better water resistant organic mastic adhesives.
  • Manufacturers have varying methods for mixing and installing their product. These instructions should always be carefully followed.

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