Tog Value Carpet

If you re thinking about installing underfloor heating in your home it s important to know if your carpet is suitable.

Tog value carpet. What is carpet tog. Put simply the higher the tog rating the greater the insulation. The name comes from the informal word. Extensive research has shown that this calculation gives a more realistic value of the total tog value.

Typical brintons 80 wool 20 nylon carpets have a tog value 1 4 and 2 3. A tog is the unit of measurement we use to show a material s or carpet s thermal insulating property. We can offer the following information which has been taken from test reports in accordance with bs 4745 two plate test from bttg shirley manchester. Every home is different so ask our experts in store to help you understand exactly what it is you need.

Carpet at 1 70 underlay at 1 40 1 70 1 40 1 0 2 10 tog suitable for floors 2 11 tog and. We recommend that the combined tog rating of carpet and underlay doesn t exceed 2 5. Carpets with a lower tog rating are ideal for rooms with underfloor heating whereas higher tog ratings are better for typically colder areas. The shirley institute in manchester england developed the tog as an easy to follow alternative to the si unit of m 2 k w.

In short form the higher the tog value material or carpet has the more it will retain heat and the better it will be at insulating. Tog means thermal overall grade. A material with a high tog value would make an excellent winter coat as it would retain a large proportion of your body s heat while wearing it while a coat manufactured from a low tog rated material would be better suited for use in warmer seasons as it would allow a far greater amount of your body s heat to radiate away while being worn. To determine a working approximation the tog rating of both carpet and underlay should be added together and 1 0 tog subtracted.

The tog of the carpet tells you how insulated it is generally the lower the tog the less insulation it provides so opt for a low tog carpet if you have underfloor heating.