Adhesive Information


Adhesive Mortars for Dük Liner shower niche products come in many types. The adhesive mortars listed below have all been tested. We recommend any of these mortar options for adhering tile to any product in the Dük Liner niche product line. 

Note: Before any tiling installation, please refer to the ANSI numbers and the appropriate Technical Data Sheets for your specific tile.

Photo courtesy of R.Fogarty Design

Photo courtesy of R.Fogarty Design

Photo courtesy of CBC Builds

Photo courtesy of CBC Builds


Custom Building Products has recommendations based on tile size. These downloads have been provided from the manufacturer. For more information, visit Custom Building Products online.

For tiles less than 15” on either side:

For tiles larger than 15” on either side:

If you are a tiling professional that prefers a certain brand, the following grout and adhesive manufacturers recommend these adhesive mortars (all tested with Dük Liner shower niches).


Bostik Tile-Mate Premium mixed with Bostik Flex-A-Lastic Acrylic Mortar Admixture, or Bostik Reflex.

For more information, visit Bostik online.


MAPEI recommends mortars all ISO13007 C2S1 or greater or ANSI 118.4 or greater: KERABOND KERALASTIC System, GRANI/RAPID System, KERAPOXY Mortar, PLANICRETE W, ULTRA/FLEX 3, ULTRA/FLEX RS, KERABOND Dry-Set Mortar with Keraply, ULTRAFLEX 2 One Step Mortar, KER 121 One Step Mortar, KERASET Dry-Set Mortar with Keraply.

For more information, visit Mapei online.


Accucolor EFX (Product #440)

For more information, visit TEC online.


LATAPOXY 300 Epoxy Adhesive

LATAPOXY 300 Bio-Green (bio-based natural ingredients)

For more information, visit Laticrete online.

For more information on how to install a Dük Liner shower niche, visit our Installation Instructions page. Take a look at our Products to choose the perfect niche, then Find a Retailer before your next renovation! As always, please contact us with any questions by calling 888-821-2545 or email us at