Insulated Underlay


Warmup Insulated Underlay Warmup Insulated Underlay is a thin polystyrene insulation barrier with effective acoustic properties to reduce contact noise. It sits between the cold subfloor and Warmup’s Foil Heater, reflecting heat upwards, making the heating system even more efficient. The foil backing acts as a moisture barrier. FEATURES: Resists heat loss and increases the heating systems efficiency Extremely effective for reducing contact noise Very thin at only 6mm in depth Lightweight and easy to install Foil backing acts as a moisture barrier.

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