Greengates Builders Merchants

Isowool Loft Insulation

Isowool Spacesaver Loft Insulation From Greengates Builders Merchants Accrington, Lancashire



Glass mineral wool insulation rolls suitable for providing thermal and acoustic insulation in domestic-type pitched roofs. Isowool Spacesaver is a high quality thermal and acoustic insulating mat in roll form, perforated along the roll to allow the user to use full, half or third width options in roof spaces.


  • Isowool Spacesaver is three products in one roll, therefore reducing storage space.
  • Excellent thermal and acoustic performance.
  • Exceptional tear strength.
  • Easy to install.
  • Durable – not easily damaged in storage, during transport or on site when installed.
  • Does not absorb water.
  • Completely fire safe – Euroclass A1 fire rating when classified in accordance with BS EN 13501-1.
  • Long product life – will not age.


Isowool Spacesaver Loft Insulation is supplied in strong branded polythene packaging, with end label and colour coded main label for easy identi­fica­tion.


  • Non-hygroscopic and will not slump or consolidate in normal appli­cations.
  • Odourless, inert and fully compatible with all standard building materials and components.
  • Will not sustain vermin.
  • Will not accelerate corrosion with steel, copper or aluminium.
  • Will not breed or promote fungi or bacteria.


The basic constituent of Isowool is glass mineral wool, manufactured from silica sand, the Earth's most abundant naturally occurring mineral.

Glass mineral wool is one of the most envi­ron­men­tally friendly insulation materials. Inorganic and completely inert, over 70% of the raw material used in the production cycle are recycled.

This process does not include the use of CFC's, HCFC's or any other envi­ron­men­tally damaging gases.


Application: Domestic-type pitched roofs

Fire Performance

Completely fire safe – Euroclass A1 fire rating when classified in accordance with:

BS EN 13501-1.


Here at Greengates Builders Merchants, Lancashire we stock Isowool Supersaver Loft Insulation in two thicknesses: 100mm and 150mm.

Come and visit us today and find out more about Isowool Supersaver loft Insulation!

Greengates Builders Merchants delivering to the whole of Lancashire including: Accrington, Blackburn, Burnley, Clitheroe, Darwen, Great Harwood, Haslingden, Padiham and Pendle.


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