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05

Floors and underfloor heating

Floor-fixed boards over concrete, timber and cement sheet, including underfloor heating and sloped boards.

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Thermasheet Board Underfloor heating Slope Board 1:80

Overview

Thermasheet floor-fixed boards provide a lightweight, insulated and stable substrate for tiled floors and underfloor-heating applications. Select the fixing method to suit the supporting floor.

Installation steps

  1. 1

    CONTINUOUS SUPPORT

    Floor-fixed boards must be continuously supported by a stable substrate unless specifically engineered otherwise.

    Thermasheet floor boards installed over a prepared floor
    Thermasheet floor boards installed over a prepared floor
  2. 2

    BED BOARDS INTO SUITABLE ADHESIVE

    For concrete floors, use a suitable tile adhesive spread with a notched trowel. For timber or cement-sheet floors, use Thermasheet MSP Sealant together with TS-Fixings (washers and screws).

  3. 3

    UNDERFLOOR HEATING

    Install the heating system over the cementitious face in accordance with the heating and tile-adhesive manufacturers' instructions.

    Underfloor heating over 10 mm Thermasheet on a slab
    Underfloor heating over 10 mm Thermasheet on a slab
  4. 4

    SLOPED BOARDS

    Sloped boards are also available with a 1:80 fall for balconies, wet rooms and alfresco areas where fall is required before tiling.

Products used in this guide

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