Living Heat Hard Insulation boards.

Living Heat, ‘Underfloor heating world’ hard insulation boards are designed for use under tile and stone flooring. Available in 6mm, 10mm and 20mm depths.

 

1: Make sure the sub floor is suitable for the intended floor covering. (Concrete floors are solid and sound and wood floors do not have excessive movement and are plied when necessary). Hard underfloor world insulation board will not make any unsuitable sub floor suitable. Note you will require sufficient insulation to cover the total floor area being tiled not just underfloor heated area.

2: We always recommend the use of a suitable acrylic primer to be applied over the floor prior to any tile adhesive being trawled over. This is to help with the adhesion of the adhesive to the floor and is good practice as part of a normal professional tiling process.

3: Using a shallow notched trowel spread a thin layer of 1 part flexible tile adhesive over the floor area you are working. Make sure not to trowel to large an area at once as if the adhesive begins to dry and forms a skin it will not adhere correctly to the hard under floor insulation boards.

4: Lay the hard underfloor insulation boards directly over the fresh 1part flexible tile adhesive using a large flat object / board to firmly press the boards down making sure to force out any trapped air pockets under the hard insulation boards. The boards can easily be cut with a sharp knife or fine tooth saw to achieve a full floor coverage.

Once the adhesive has fully dried, a suitable waterproof tape can be installed over all joints to provide a sealed floor but under normal conditions this is not necessary. The underfloor heating mats and subsequent floor covering (tiles / stone) can then be installed over using 1 part flexible adhesive as per manufactures instructions.

Please note that underfloor heating world hard insulation boards are not suitable for mosaic tiles or any tile less than 150x150mm in size. If you would like to fit mosaics over these boards a 10mm layer of self-levelling must be installed over the boards prior to the mosaics being installed.

If underfloor heating world hard insulation boards are to be fitted under other floor coverings other than tile and stone flooring a flexible levelling compound must first be installed over the boards and electric under floor heating to a depth of 10mm prior to the floor coverings ie carpet and vinyl being installed.

If you have any questions or require further assistance on any living heat underfloor heating systems or ancillary products please do not hesitate to contact living heat. We are here to help and our advice is free.