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Underfloor & Underground
Underfloor & Underground
Underfloor & Underground - Competitive Trade Pricing with quantity discounts. Online supplier of Swimming Pool and Basement insulation.
About
Underfloor insulation is a type of insulation that is installed under the floorboards. It will reduce the amount of heat that escapes through the floor, which means you will need less heating to keep your home warm. This means you can save on your energy bills as well as reducing your carbon footprint.
Have a browse of our stock and filter by thickness or coverage on the left-hand side of the page. If you’d like to talk through the suitability of some products for your project, or get a quantity discount quotation please call us on 02039519012 , email sales@insulationstoreonline.co.uk or Live Chat - Lowest UK Prices.
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100mm Sundolitt XPS 300 Insulation Board (Pack 4)
Extruded Polystyrene 300KpaPack Length: 4800mmPack Width: 2400mmPack coverage: 2.88m2Thickness: 100mmQuantity: 4 SheetskPa: 300kPa
Last known price:£74.32
£ 89.18 Inc VAT
80mm Sundolitt XPS 300 Insulation Board (Pack 5)
Extruded Polystyrene 300KpaPack Length: 6000mmPack Width: 3000mmPack coverage: 3.60m2Thickness: 80mmQuantity: 5 SheetskPa: 300kPa
Last known price:£74.32
£ 89.18 Inc VAT
75mm Sundolitt XPS 300 Insulation Board (Pack 5)
Extruded Polystyrene 300KpaPack Length: 6000mmPack Width: 3000mmPack coverage: 3.60m2Thickness: 75mmQuantity: 5 SheetskPa: 300kPa
Last known price:£74.32
£ 89.18 Inc VAT
50mm Sundolitt XPS 300 Insulation Board (Pack 8)
Extruded Polystyrene 300KpaPack Length: 9600mmPack Width: 4800mmPack coverage: 5.76m2Thickness: 50mmQuantity: 8 SheetskPa: 300kPa
Last known price:£74.32
£ 89.18 Inc VAT
30mm Sundolitt XPS 300 Insulation Board Single
Extruded Polystyrene 300KpaPack Length: 2400mmPack Width: 600mmPack coverage: 1.44m2Thickness: 30mmQuantity: 1 SheetkPa: 300kPa
Last known price:£19.85
£ 23.82 Inc VAT
30mm Sundolitt XPS 300 Insulation Board (Pack 14)
Extruded Polystyrene 300KpaPack Length: 16800mmPack Width: 8400mmPack coverage: 10.08m2Thickness: 30mmQuantity: 14kPa: 300kPa
Last known price:£74.32
£ 89.18 Inc VAT
50mm Ravatherm XPS X 700 SL XPS Board
XPS thermal insulation boardPack Length: 10000mmPack Width: 4800mmPack coverage: 6m2Thickness: 50mmQuantity: 8 Sheets
Last known price:£52.01
£ 62.41 Inc VAT
140mm Ravatherm XPS X 500 SL Board
XPS thermal insulation boardPack Length: 3750mmPack Width: 1800mmPack coverage: 2.25m2Thickness: 120mmQuantity: 3 SheetskPa: 500kPa
Last known price:£57.62
£ 69.14 Inc VAT
120mm Ravatherm XPS X 500 SL Board
XPS thermal insulation boardPack Length: 3750mmPack Width: 1800mmPack coverage: 2.25m2Thickness: 120mmQuantity: 3 SheetskPa: 500kPa
Last known price:£74.00
£ 88.80 Inc VAT
100mm Ravatherm XPS X 500 SL Board
XPS thermal insulation boardPack Length: 5000mmPack Width: 2400mmPack coverage: 3m2Thickness: 100mmQuantity: 4 SheetskPa: 500kPa
Last known price:£68.20
£ 81.84 Inc VAT
75mm Ravatherm XPS X 500 SL Board
XPS thermal insulation boardPack Length: 6250mmPack Width: 3000mmPack coverage: 3.75m2Thickness: 75mmQuantity: 5 SheetskPa: 500kPa
Last known price:£54.00
£ 64.80 Inc VAT
50mm Ravatherm XPS X 500 SL XPS Insulation
XPS thermal insulation boardPack Length: 10000mmPack Width: 4800mmPack coverage: 6m2Thickness: 50mmQuantity: 8 SheetskPa: 500kPa
Last known price:£52.01
£ 62.41 Inc VAT
200mm Ravatherm XPS X 300 SL Board
XPS thermal insulation boardPack Length: 2500mmPack Width: 1200mmPack coverage: 1.5m2Thickness: 200mmQuantity: 2 SheetskPa: 300kPa
Last known price:£57.09
£ 68.51 Inc VAT
195mm Ravatherm XPS X 300 SL Board
XPS thermal insulation boardPack Length: 2500mmPack Width: 1200mmPack coverage: 1.5m2Thickness: 195mmQuantity: 2 SheetskPa: 300kPa
Last known price:£55.97
£ 67.16 Inc VAT
190mm Ravatherm XPS X 300 SL Board
XPS thermal insulation boardPack Length: 2500mmPack Width: 1200mmPack coverage: 1.5m2Thickness: 190mmQuantity: 2 SheetskPa: 300kPa
Last known price:£52.15
£ 62.58 Inc VAT
180mm Ravatherm XPS X 300 SL Board
XPS thermal insulation boardPack Length: 2500mmPack Width: 1200mmPack coverage: 1.5m2Thickness: 180mmQuantity: 2 SheetskPa: 300kPa
Last known price:£51.00
£ 61.20 Inc VAT
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