TogCheck guides
Practical guides to measuring, sizing and choosing the right part, from the same sourced data behind the fitment tool.
What TOG Means for Underfloor HeatingTOG measures how well a floor covering insulates. Over underfloor heating a high TOG trapsThe 2.5 TOG Combined Limit ExplainedThe UHMA guideline: carpet plus underlay should be 2.5 TOG or less for underfloor heating.How to Work Out Combined Carpet and Underlay TOGAdd the carpet TOG to the underlay TOG for the combined figure, then compare it to the 2.5Choosing a Low-TOG Underlay for Underfloor HeatingA low-TOG underlay lets heat pass through while leaving headroom for your carpet under theWill My Carpet Work Over Underfloor HeatingWhether a carpet suits underfloor heating depends on its TOG plus the underlay staying atUnderlay for Underfloor Heating: What to BuyBuy a low-TOG underlay, often around 0.4 to 1.0 TOG, so carpet plus underlay stays under 2