Floor
The ground floors of older houses can become very cold and damp. Unlike
modern homes that have solid floors made of a concrete slab, period homes have
timber suspended floors above a basement or crawl space that itself is cold and
damp.
• Up to 15 % of the heat in a ground floor room is lost through the floor.
• Floor insulation boards on the undersides of the ground floor are ideal.
The best materials for floor insulation are polyisocyanurate (PIR) foam
boards, also called Kingspan or Celotex.
• Can be used on concrete and floors, on foundations and roofing as well as an
overlay.
• Boards can fit snugly under the floor between joists.
N.B. Air bricks should be cleared, cleaned or replaced so that there is a
good air flow under the floor to keep the area dry.
• Is there sufficient crawl space beneath the floor to carry out the job from
below? If not, it may be necessary to lift up the floor in sections and fix the
insulation on the underside.
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Knauf Omnifit Thermal & Acoustic Roll 100mm (8.16m2/roll)
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Polystyrene EPS100 grade (Heavy density) 2400mm x 1200mm x
Starting at: Excl. Tax: £78.30 Incl. Tax: £93.96
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Polystyrene EPS150 grade (Extra Heavy density) 2400mm x 1200mm x
Starting at: Excl. Tax: £111.30 Incl. Tax: £133.56
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YBS Airtec Double Bubble Foil Insulation 1.2m x 25m x 7mm
Excl. Tax: £72.00 Incl. Tax: £86.40
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Ecotherm Eco-versal Insulation 2400mm x 1200mm x
Starting at: Excl. Tax: £12.96 Incl. Tax: £15.55
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Insulation support net 2m x 100mm (200m2)
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Earthwool Loft Roll 44 - easy to handle - user friendly loft roll
Starting at: Excl. Tax: £12.03 Incl. Tax: £14.44
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YBS Superquilt 1.2m x 10m x 40mm (12m2 roll) with Free delivery
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Knauf Omnifit Slab in 400mm widths
Starting at: Excl. Tax: £17.20 Incl. Tax: £20.64
