Isover Spacesaver loft insulation helps improve energy efficiency and reduces heating costs. It is ideal for new build and renovation applications.

Isover Spacesaver is a low density glass mineral wool roll supplied in 100-200mm thicknesses. The strong, resilient and flexible rolls are pre-perforated to 3x386mm and 2x580mm widths to fit between common joist spacing.


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Product - Spacesaver
Product - Spacesaver
Product - SpacesaverProduct - Spacesaver

Key Benefits

  • Thermal performance - Declared Thermal conductivity (lD) of 0.044 W/mK. Provides excellent thermal performance, reducing heat loss within the building envelope.
  • Non-combustible - Isover glass mineral wool insulation has an A1 Euroclass fire rating – the best attainable.
  • Recycled content - Manufactured from up to 86% recycled glass.
  • Protected planet - Zero Ozone Depletion Potential (ODP) and Global Warming Potential of less than 5.

Variants Details

Product details

Order Code Thickness Width (mm) Length Pack area (m2) Pallet area (m2) Product Name Units per pallet
5200623966 100 1160 9170 10.64 255.36 Spacesaver - 100mm 24
5200623967 200 1160 3880 4.5 108 Spacesaver - 200mm 24
5200625347 150 1160 6030 6.99 167.76 Spacesaver - 150mm 24
5200625349 170 1160 5390 6.25 150 Spacesaver - 170mm 24