Tog Value Carpet

The tog is a measure of thermal insulance of a unit area also known as thermal resistance it is commonly used in the textile industry and often seen quoted on for example duvets and carpet underlay.

Tog value carpet.

The tog rating system is yet another way to judge carpet and underlay this time focusing on it s insulation qualities and suitability for under floor heating although parents will more typically recognize the name in relation to duvets and baby sleeping bags. Every home is different so ask our experts in store to help you understand exactly what it is you need. We recommend that the combined tog rating of carpet and underlay doesn t exceed 2 5. The name comes from the informal word.

Extensive research has shown that this calculation gives a more realistic value of the total tog value. 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. What is carpet tog. 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.

The shirley institute in manchester england developed the tog as an easy to follow alternative to the si unit of m 2 k w. Put simply the higher the tog rating the greater the insulation. Carpets with a lower tog rating are ideal for rooms with underfloor heating whereas higher tog ratings are better for typically colder areas. 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.

Tog means thermal overall grade. Typical brintons 80 wool 20 nylon carpets have a tog value 1 4 and 2 3. If you re thinking about installing underfloor heating in your home it s important to know if your carpet is suitable. To determine a working approximation the tog rating of both carpet and underlay should be added together and 1 0 tog subtracted.

Carpet at 1 70 underlay at 1 40 1 70 1 40 1 0 2 10 tog suitable for floors 2 11 tog and.