Un-coated Insulation Board (concrete substrates)

Thickness: 6mm (20 Pack)

Un-coated insulation boards for use with electric underfloor heating systems installed above a concrete substrate.

Manufactured using a high-density extruded polystyrene core.

A single board provides 0.72m² of coverage

Key Benefits

  • Improves the efficiency of electric underfloor heating by more than 50% by reducing heat-loss into the substrate
  • Adds rigidity, thermal insulation and strength to timber substrates
  • 100% moisture and rot proof
  • You can install these insulation boards on walls and floors
  • Improve the lateral and flexural stability of timber floors
  • Creates thermal resistance, driving heat up through the surface of your floor and into your room.
 Thickness Qty per pack Per Board Area Dimensions
6mm 20 0.76m² 1200 x 600 x 6mm
10.5mm 10 0.76m² 1200 x 600 x 10mm

 Compressive Strength  300 kpa
Thermal Conductivity  0.033 W/Mk
Water Absorption 0.6%
Density (foam) 36Kg/m³
Temperature Range -50°C to +75°C
Fire Performance Class 0

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