UNDERLAY Wetroom kits for tile floors with paint-on tanking and square drain

Epoxy cement faced with rigid foam core to fit on boarded or solid floors. Supplied complete with drain, choice of square grids and paint-on tanking. Many sizes available.

  • Sizes


    800 x 800 x 22mm


    900 x 900 x 22mm


    1000 x 1000 x 22mm


    1000 x 1000 x 22mm


    1200 x 800 x 22mm


    1200 x 900 x 22mm


    1200 x 900 x 22mm


    1200 x 1000 x 22mm


    1200 x 1200 x 22mm


    1200 x 1200 x 22mm


    1500 x 800 x 22mm


    1500 x 900 x 27mm


    1500 x 1050 x 25mm


    1600 x 900 x 27mm


    1800 x 900 x 27mm


    1800 x 900 x 27mm


    1900 x 950 x 30mm


    1500 x 1500 x 27mm

  • Underlay Plus Drain Kit

    Drain and Fitting Aid for Underlay Plus Kits

    • 34 l/m flow rate. Tested under 15mm head of water.
    • Includes drain fitting aid.
    • Includes stainless steel or tile insert grid or upgrade to solid stainless steel.
    • 50mm water seal trap.
    • Adjustable outlet angle.
  • Stainless Steel Grid Options

    Chose a standard grid or upgrade to a designer, 5mm brushed stainless steel grid.

    Standard Grids

    Art Deco

    Tile Insert

    Designer Grid Upgrades

    5mm brushed stainless steel






  • Paint on Liquid Tanking

    8k Tanking Liquid Kit

    • Easy to use paint on tanking system.
    • Covers up to 10m².
    • Ready to use, no mixing required.
    • Dries into a flexible sheet membrane.
    • Suitable for use with underfloor heating.

    Kit Contents

    8k Tanking liquid.
    10 Meters of joint tape.
    2 x Internal corners
    2 x Pipe collars.
    1 Litre primer.
    75mm brush.

    Additional individual items available to extend coverage.

    8 kG Tanking Liquid

    8kG Code TK080 / 4kG Code TK040

    Joint Tape 10m

    Code TK010

    Internal Corner

    Code TK011

    Pipe Collar

    Code TK013

    External Corner

    Code TK012

    Primer 1 Litre

    Code 1LP


    Code TK014

  • Tile Backer Board and Formers

    Create floors, walls, dividers, bath sides, alcoves and seating with Tile Back Board.

    • Superior multi-purpose thermal construction board.
    • Extruded polystyrene core.
    • Reinforced cement polymer coating.
    • Insulating thermal properties reduces heat loss.
    • Excellent compressive strength.
    • Designed for the application of all tile types.

    Click through for full details:

  • Adaptations and Additions


    Accessibility adaptions for healthcare situations or for the home. Full Kits for building regulation compliance or individual items.

    Additions & Extras

  • Frameless Glass Screens

    Shower Screens Made Easy

    Visit our BetaScreens site for an array of solutions to suit any shower space. BETA Screens are distinguished by an uncompromising, full glass, high-end aesthetic, offering minimalist luxury at an affordable price. The effect is fully frameless with pure sight lines that harmonise with both traditional or contemporary features and fittings. Our knowledgeable staff can quickly and easily guide you through different configurations, offer advise and provide instant quotations over the phone if required.

    • Fixed Screens
    • Fixed Screens with Returns
    • Hinged Return Panels
    • Hinged Screens
    • Free Standing Screens
    • Enclosures
    • Doors
    • Bath Screens
    • Coloured Glass, Etching and Printing
    • Hardware, Fixings and Seals

    Visit the BetaScreens site

  • Fitting Instructions PDFs