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

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


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Spacesaver Ready-Cut
Spacesaver Ready-Cut
Spacesaver Ready-CutSpacesaver Ready-Cut

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
5200625586 100 3 x 386 9170 10.62 254.88 Spacesaver Ready-Cut - 100mm (3 x 386) 24
5200625587 100 2 x 580 9170 10.64 255.36 Spacesaver Ready-Cut - 100 - 2 x 580 24
5200625588 150 3 x 386 6030 6.98 167.52 Spacesaver Ready-Cut - 150mm (3 x 386) 24
5200625589 150 2 x 580 6030 6.99 167.76 Spacesaver Ready-Cut - 150mm (2 x 580) 24
5200625590 200 3 x 386 3880 4.49 107.76 Spacesaver Ready-Cut - 200mm (3 x 386) 24
5200625591 200 2 x 580 3880 4.5 108 Spacesaver Ready-Cut - 200mm (2 x 580) 24