Both underlay and carpet carry a tog rating.
High tog rating carpet.
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.
Every home is different so ask our experts in store to help you understand exactly what it is you need.
Underlays come with a tog rating the higher the tog the better the insulation.
If using underlay with underfloor heating you won t need anything above a total rating of 2 5 tog.
A low rating is perfect for use with under floor heating while a high rating means the carpet and underlay already offer good insulation and therefore isn t suitable for under floor heating.
Wool carpets have a higher tog rating naturally than other fibers as do foam underlays over felts.
The higher a material s tog rating the more effective it will be at retaining heat and the better it will be as an insulating material.
Other considerations such as to the weight of the carpet should also be considered when buying.
Higher tog carpet combined with underfloor heating is no disaster it will simply slow the heat transfer from the heating system to the room above.
Put simply the higher the tog rating the greater the insulation.
There are many factors that contribute to an individual carpets or underlays tog rating.