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Ideal tile substrate over masonry or existing/mixed substrates

Uneven substrates

Installing tiles using the thin-set method requires substrates to be clean and even.  Masonry walls and existing/mixed substrates are often unsuitable for direct application of tile because they can be uneven or difficult to bond to.

Schluter-KERDI-BOARD is ideal for installation on:

  • Concrete
  • Masonry of all kinds
  • Existing substrates such as plaster,
    tiles, painted surfaces, etc.
  • Mixed substrates

 


Schluter-KERDI-BOARD is the ideal substrate for tiles

Depending on the condition of the existing wall areas, Schluter-KERDI-BOARD can be either fully embedded in thin-set mortar or spot-bonded. Spot-bonding the panels with thin-set mortar allows for adjustment to achieve plumb wall surfaces.

Schluter-KERDI-BOARD can be installed vertically as well as horizontally. Where wall surfaces will not accept a bond to thin-set mortar, Schluter-KERDI-BOARD can be further attached with the help of the special anchors included in our hardware assortment.

Tiles can be installed over KERDI-BOARD with thin-set mortar immediately; no additional prep is required.

Schluter-KERDI-BOARD in bonded waterproofing assemblies

Schluter-KERDI-BOARD is suitable for use in bonded waterproofing assemblies. For this purpose, the corners and joints must be sealed with Schluter-KERDI-BAND, using unmodified thin-set mortar. Fastener penetrations can be sealed with KERDI-BAND using unmodified thin-set mortar. Other protrusions through the KERDI-BOARD (e.g., showerhead, tub spout, etc.) must be treated with Schluter-KERDI-SEAL-PS seals or Schluter-KERDI-FIX.

Suitable panel thicknesses of Schluter-KERDI-BOARD

If the substrate is sufficiently even to allow for fully embedding the panels in thin-set mortar, panel thicknesses from 3/16" (5 mm) can be selected. If the panels are to be spot-bonded, thicknesses of 3/8" (9 mm) or more are required, depending on specific project requirements.

Customer Support Team - USA

Schluter Systems L.P.
194 Pleasant Ridge Road
Plattsburgh, NY 12901
Tel.: 1-800-472-4588

Send e-mail to US team

Customer Support Team - Canada

Schluter Systems (Canada) Inc.
21100 chemin Ste-Marie
Ste-Anne-de-Bellevue
QC H9X 3Y8
Tel.: 1-800-667-8746

Send e-mail to Canadian team

Schluter®-KERDI-BOARD