Warmup Underlayment for Foil Heating System 110 sq ft

Warmup Underlayment for Foil Heating System 110 sq ft

A thin polystyrene insulation barrier with effective acoustic properties to reduce contact noise.

Insulated Underlay for Underfloor Heating

Warmup Insulated Underlay sits between the cold subfloor and the Foil Heater, reflecting heat upwards, therefore, making the underfloor heating system more efficient and effective. The foil backing acts as an effective moisture barrier and should installed face down. The Insulated Underlay has been specially developed for installation under the Foil Heater.

The insulated Underlay makes an ideal combination for installation of soft and resilient floor coverings such as carpet and laminate over the Warmup Foil Heater.


  • Resists heat loss and increases the efficiency of the underfloor heating system.
  • Extremely effective in reducing contact noise.
  • Very thin at only 6mm thick
  • Lightweight and easy to install.
  • Foil backing acts as a moisture barrier.


  • Roll size Width – 4ft – 110 sqft
  • Thickness 1/4″
  • Composition Top Layer: Grooved polystyrene

Warmup How to Video’s

Warmup Foil Radiant Heating Specifications and installation

Warmup Foil Radiant Heating Specifications

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