Installing ThermoSphere
Foil

The complete installation of the foil system

Floor build-up options

HDF Overlay Boards must be installed directly under any final floor finish other than engineered timber, or engineered timber less than 10mm thick.

Engineered timber floor finish

 

1. Engineered timber

2. Cushioning overlay

3. Foil

4. Cushioning underlay

5. Uncoated insulation board

6. Concrete substrate

7. Substrate insulation

Foil - Engineered timber floor finish on Concrete substrate with substrate insulation

Engineered timber floor finish

 

1. Engineered timber

2. Cushioning overlay

3. Foil

4. Cushioning underlay

5. Uncoated insulation board

6. Concrete substrate

Foil - Engineered timber floor finish on Concrete substrate

Engineered timber floor finish

 

1. Engineered timber

2. Cushioning overlay

3. Foil

4. Cushioning underlay

5. Timber substrate

Foil - Engineered Timber floor finish on Timber substrate

Bonded timber floor finish

 

1. Bonded timber

2. Acrylic adhesive

3. Cement board overlay

4. Cushioning overlay

5. Foil

6. Cushioning underlay

7. Timber substrate

Foil - Bonded Timber floor finish on Timber substrate

Carpet floor finish

 

1. Carpet

2. Carpet underlay

3. HDF overlay

4. Cushioning overlay

5. Foil

6. Cushioning underlay

7. Timber substrate

Foil - Carpet floor finish on Timber substrate

Vinyl tiles floor finish

 

1. Vinyl tiles

2. Acrylic adhesive

3. HDF overlay

4. Cushioning overlay

5. Foil

6. Cushioning underlay

7. Timber substrate

Foil - Vinyl tiles floor finish on Timber substrate

Top 3 installation tips for foil

Spare floor sensor

Always install the floor temperature sensor in a conduit to facilitate replacement should it be required. If you don't want to use a conduit, install a second floor sensor as a spare.

Parallel installation

In bigger areas, 2 or more foil heating mats can be connected to a thermostat in parallel, as long as the total combined load does not exceed 16 amps.

Floating build-up

Tape floating layers of insulation and underlay boards together to prevent them moving while you install the rest of the layers on top.

Get Tech Support

Your questions answered

If you have a question that needs an answer, our comprehensive FAQs page is packed full of them. However, we know that some questions are more complex than others so our team are always available to help.