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Solutions · 4 steps

Bathrooms and Wet Areas

A layer-by-layer system for bathrooms, kitchens, Turkish baths and other wet areas where waterproofing and tiling work together.

Layers and products

The order is the application order. Hover over a step in the list to highlight its layer in the cross-section.

Layer

Existing substrate (concrete, AAC, brick…) 1. RP-2605+ 2. DER MX-20 3. FLEXDER+ 4. DERZMIX
  1. 1

    Step 1 · Substrate preparation and repair

    RP-2605+

    Fine Repair Mortar

    Edges, corners and voids are repaired to obtain a sound, level surface.

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  2. 2

    Step 2 · Waterproofing

    DER MX-20

    Two-Component Waterproofing Mortar

    Applied with corner sealing tape at junctions, at 1.0–1.5 mm per coat to a total of approximately 2 mm. Alternatively, use semi-flexible DER MX-25 or one-component HYDROLOCK.

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  3. 3

    Step 3 · Tile adhesive

    FLEXDER+

    Ceramic and Granite Tile Adhesive

    C2TE-class, water- and moisture-resistant adhesive for areas exposed to continuous moisture.

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  4. 4

    Step 4 · Grouting

    DERZMIX

    Tile Grout (1–6 mm)

    For 1–6 mm joints on interior walls and floors.

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Products used in this solution

Tiling and Grouts

FIXDER+

Ceramic Tile Adhesive

  • TS EN 12004-1
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Tiling and Grouts

FLEXDER+

Ceramic and Granite Tile Adhesive

  • C2TE
  • A1
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Tiling and Grouts

DERZMIX

Tile Grout (1–6 mm)

  • EN 12808
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Waterproofing

DER MX-20

Two-Component Waterproofing Mortar

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Waterproofing

DER MX-25

Semi-Flexible Waterproofing Mortar

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Waterproofing

DER MX-30

Fully Flexible Waterproofing Mortar

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Waterproofing

HYDROLOCK

UV-Resistant Liquid Waterproofing

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Repair and Grout

RP-2605+

Fine Repair Mortar

  • R2
  • EN 1504-3
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