HomeUnderfloor HeatingElectricInsulated Underlay

Insulated Underlay

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

Guide Price
£28.33 RRP ex. VAT

underlay barrier for underfloor heating
Electric icon

Heat loss resistance

icon-checkmark  Increases the energy efficiency of your underfloor heating system by pushing the heat-upwards

Very thin

icon-checkmark  Only 6mm in depth


icon-checkmark  Easy to install

Ideal with dual overlay for soft floor covers

icon-checkmark  Helps you to make the most of your foil heater by creating a highly energy efficient heating system and sound proofed floors

Underlay for Underfloor Heating

It sits between the cold subfloor and foil heater reflecting heat upwards, making the underfloor heating system more efficient and effective. The foil backing acts as an effective moisture barrier. The Insulated Underlay has been specially developed for installation under the Dual Overlay as part of a complete stable system.

It is the ideal duo combination for installation of soft and resilient floor coverings such as carpet and vinyl, under foil underfloor heating.

best underlay for underfloor heating warmup
Roll Size 1200mm(W); 2.5sqm, 5sqm, 10sqm and 25sqm (L)
Thickness 6mm
Composition Top Layer: Grooved polystyrene
Bottom Layer: Silver foil with adhesive overlap
R Value 0.19 m²K/W
Contact Sound Reduction 25dB  ∆Lw when used in conjunction with the Warmup Dual Overlay System

This Product is used with :

underfloor heating foil heater

Foil Heater

Electric underfloor heating system for laminate, carpet, vinyl, engineered wood and other floating floor finishes.

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