Both the carpet and the underlay will have a separate tog rating and a combined rating over 2 0 isn t really suitable for underfloor heating.
What is a good tog rating for a carpet.
If using underlay with underfloor heating you won t need anything above a total rating of 2 5 tog.
Homeadvisor s best carpet guide gives tips on how to choose carpets by type material fibers nylon thickness low pile plush durability softness and more.
Both underlay and carpet carry a tog rating.
The lower the tog rating the better in these scenarios because more heat can rise up through the flooring and into the room.
Put simply the higher the tog rating the greater the insulation.
We recommend that the combined tog rating of carpet and underlay doesn t exceed 2 5.
To determine a working approximation the tog rating of both carpet and underlay should be added together and 1 0 tog subtracted.
Learn what to look for when buying carpet to find the best carpet for pets stairs bedrooms high traffic areas living rooms and other rooms in a home.
In more technical terms a tog equates to ten times the temperature difference measured in c between two surfaces of a given material when the flow of heat is equal to one watt per square meter.
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.
A tog is the unit of measurement we use to show a material s or carpet s thermal insulating property.
Carpet at 1 70 underlay at 1 40 1 70 1 40 1 0 2 10 tog suitable for floors 2 11 tog and.
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.
A tog rating is a measure of heat insulation and when it comes to flooring it s a great indicator of which underlay is good for use with underfloor heating.
Underlays come with a tog rating the higher the tog the better the insulation.
What is carpet tog.
Every home is different so ask our experts in store to help you understand exactly what it is you need.
A tog rating indicates the effectiveness of a materials heat insulation.
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.
There are many factors that contribute to an individual carpets or underlays tog rating.
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.