Schluter Kerdi Shower Niche ~ 4 Sizes – You can pick ~

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Schluter Kerdi Shower Niche ~ 4 Sizes – You can pick ~



            Schluter Kerdi Board-SN Showe Niche, 4 sizes
               *Make a choice Niche size from the drop down menu on the top of this page*                                                                               




Item No. Size Depth Shelf
KB 12 SN 305 152 A 12″ x 6″ – 305 mm x 152 mm 3-1/2″ – 89 mm –  0
KB 12 SN 305 305 A 12″ x 12″ – 305 mm x 305 mm 3-1/2″ – 89 mm –  0
KB 12 SN 305 508 A1 12″ x 20″ – 305 mm x 508 mm 3-1/2″ – 89 mm    1
KB 12 SN 305 711 A1 12″ x 28″ – 305 mm x 711 mm 3-1/2″ – 89 mm    1

Product Information:

Schluter-KERDI-BOARD-SN is a prefabricated shower niche made of KERDI-BOARD that may be installed in both Schluter®-KERDI and KERDI-BOARD wall assemblies. The shower niche includes a 1/2″ (12.5 mm) -thick by 2″ (50 mm) -wide integrated bonding flange and is to be had in 12″ x 6″ (30 cm x 15 cm), 12″ x 12″ (30 cm x 30 cm), 12″ x 20″ (30 cm x 51 cm), and 12″ x 28″ (30 cm or 71 cm) sizes.


  1. Determine desired location and trace across the outdoor of the Schluter®-KERDI-BOARD-SN flange, making sure the lines are level and plumb. Cut and cast off the wallboard such that the niche will likely be supported on both sides by the studs or other wall framing.
  2. Insert the niche and fasten to the studs. When installing adjacent to KERDI-BOARD, use wood or metal screws and KERDI-BOARD-ZT washers, placing the fasteners along the seam between the KERDI-BOARD and the niche. When installing adjacent to gypsum board or other tile backers (e.g., CBU), use wood or metal screws only (i.e., no washers), placing fasteners approximately 1/4″ (6 mm) from the sides of the niche. Fasten all corners and limit fastener spacing to twelve” (305 mm) o.c.
  3. Connections between the niche and walls are made the usage of KERDI-BAND or KERDI. When installed adjacent to KERDI-BOARD, seams are most easily constructed the usage of KERDI-BAND. When installed adjacent to gypsum board or other tile backers (e.g., CBU), seams are most easily constructed by continuous application of the KERDI membrane. The membrane is applied as much as the niche opening. Once the niche is sealed to the wall assembly, tile may also be installed instantly the usage of unmodified thin-set mortar.
  4. When the usage of the prefabricated shelf, resolve the required height of the shelf and mark with a level line. Set tile the usage of unmodified thin-set mortar as much as that line on the back and sides of the niche. Butter the perimeters and back of the shelf with unmodified thin-set mortar and solidly embed it within the niche, resting on the prior to now installed tile. The shelf is also raised on the back to create a slope, or the tile is also set on a slope all the way through installation, to forestall water from pooling within the finished application. Continue setting tile the usage of unmodified thin-set mortar.


Schluter-KERDI-BOARD-SN is constructed from extruded polystyrene foam, with a cementfree reinforcement layer laminated to both sides and an anchoring fleece webbing.

KERDI-BOARD-SN is water-proof and vapor retardant and can face up to all chemical stresses that generally occur along with ceramic tile coverings. KERDI-BOARD-SN can be used in bonded waterproofing assemblies where required.

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                                                 Schluter Kerdi Niche 

Additional information


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