UNDERLAY Wetroom kits for tile floors with sheet membrane tanking and linear drain

Epoxy cement faced with rigid foam core to fit on boarded or solid floors. Supplied complete with a linear drain (choice of grids and outlet options) and 5 or 10m² of sheet membrane tanking. Six size options available.

  • Sizes


    850 x 850 x 22mm


    1000 x 1000 x 22mm


    1200 x 900 x 22mm


    1500 x 900 x 22mm


    1600 x 1000 x 22mm


    1800 x 900 x 32mm

  • Purus Living Linear Drain

    Purus Living Linear Channel Drains

    With an offset trap and choice of outlets these drains give maximum flexibility for pipework routing.

    • Choice of 3 Stainless steel gratings. (see section below)
    • Choice of 4 outlets with Nood* no-odour spring traps.
    • Built in falls reduces dirt or odour build up.

    LOW - Side outlet - height 52mm - 32 l/min

    Side outlet - 105mm deep - 72 l/min

    End Parallel outlet - 105mm deep - 72 l/min

    Vertical outlet - 105mm deep - 72 l/min

    Full details and dimensions on the Purus Linear Drains page.

    *What is NOOD? – A patented non-odour trap with a spring that permits high flow rates. Prevents back-flow and odours rising should a water seal evaporate.

  • Stainless Steel Grid Options

    Choice of grid to tile over or two options with a brushed stainless steel finish. 

    Tile Insert Grid

    Twist Grid

    Drop Grid

  • Hydromat Sheet Membrane Tanking

    Hydromat Sheet Membrane Kit

    • High tack self adhesive sheet membrane.
    • 1000mm wide sheet.
    • Used on both floors and walls.
    • Can be tiled over immediately.
    • Fleece top provides maximum key for tile adhesive.
    • Suitable for use with underfloor heating.


    5m² Kit Contents

    • 5m² Hydromat membrane.
    • 10m Hydromat joint tape.
    • 2 x Self adhesive internal corners.
    • 1 Litre primer.
    • Butyl sealant.
    • Roller.


    10m² Kit Contents

    • 10m² Hydromat membrane.
    • 20m Hydromat joint tape.
    • 2 x Self adhesive internal corners.
    • 1 Litre primer.
    • Butyl sealant.
    • Roller.

    Additional individual items available to extend coverage.

    Hydromat Membrane

    5m² Code HM5 / 10m² Code HM10

    Hydromat Joint Tape 10m

    Code HMJT

    Hydromat Internal Corner

    Code HMIC

    Hydromat External Corner

    Code HMEC

    Primer 1 Litre

    Code 1LP

    Butyl Sealent

    Code HMBS


    Code HMR

  • 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