Tog Value Carpet

At cormar we help guide our customers by pre testing all our carpets and giving them a tog value rating to make sure they are compatible with underfloor heating systems.

Tog value carpet.

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. 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. Extensive research has shown that this calculation gives a more realistic value of the total tog value. The name comes from the informal word.

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. Every home is different so ask our experts in store to help you understand exactly what it is you need. 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.

Carpets with a lower tog rating are ideal for rooms with underfloor heating whereas higher tog ratings are better for typically colder areas. We recommend that the combined tog rating of carpet and underlay doesn t exceed 2 5. If you re thinking about installing underfloor heating in your home it s important to know if your carpet is suitable. Typical brintons 80 wool 20 nylon carpets have a tog value 1 4 and 2 3.

Tog means thermal overall grade. A tog is the unit of measurement we use to show a material s or carpet s thermal insulating property. To determine a working approximation the tog rating of both carpet and underlay should be added together and 1 0 tog subtracted. 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.

Put simply the higher the tog rating the greater the insulation.