Can Rapid Response® underfloor heating boards be used on an uninsulated floor?

The insulative properties of our Rapid Response® boards have been tested at the University of Salford’s UKAS accredited testing lab. The results are as follows: 

  • 20mm of Rapid Response® has an R-value of 0.447 (+/- 2%). 
  • 16mm of Rapid Response® has an R-value of 0.379 (+/- 2.8%). 

Please note that while the EPS material is insulative, it is not a replacement for insulation. In a new build, the property is expected to be built in line with up-to-date building regulations. 

If you have an older property that is successfully heated by radiators, the Rapid Response system will heat more efficiently and effectively than radiators. However, if your home is unsuccessfully heated by radiators due to high heat loss, the heat loss should be addressed regardless of your choice of heating system. 

 

 How much height does this add to the room? 

Our Rapid Response panels come in two sizes: 16mm and 20mm (about the size of a 20 pence piece). To calculate the total build-up height, add this to the height of any necessary decoupling layer such as a 5mm screed (tiling, LVT) along with your floor finish. 

Please note that the choice between the 16mm and 20mm panel has little to no effect on heat output but will affect price. Systems using the 16mm panel are more expensive than those using the 20mm panel, due to an increased amount of pipe being necessary. 

 

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