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Water Underfloor Heating Insulation

Competitive Trade Pricing with quantity discounts. Online supplier of Wet floor Heating Insulation Boards.

About

Water insulation boards are an energy and cost-saving solution for underfloor heating systems using hot water. They are made of high-grade polystyrene and have a 200-micron aluminum heat diffuser for enhanced fire, rot, and corrosion resistance. Additionally, our boards provide excellent acoustic insulation, reducing noise levels in the home. They are specifically designed for safe use and offer outstanding thermal performance.

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 Insulation Boards 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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16 products
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150mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 2 ) - image
150mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 2 )
PIR Floor Insulation Board Pack Length: 4800mmPack Width: 2400mmPack coverage: 5.76m2Thickness: 150mmQuantity: Pack Of 2
Last known price: £492.00
£ 590.40 Inc VAT
120mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 3 ) - image
120mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 3 )
PIR Floor Insulation Board Pack Length: 7200mmPack Width: 3600mmPack coverage: 8.64m2Thickness: 120mmQuantity: Pack Of 3
Last known price: £426.33
£ 511.60 Inc VAT
100mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 3 ) - image
100mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 3 )
PIR Floor Insulation Board Pack Length: 7200mmPack Width: 3600mmPack coverage: 8.64m2Thickness: 100mmQuantity: Pack Of 3
Last known price: £410.74
£ 492.89 Inc VAT
80mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 4 ) - image
80mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 4 )
PIR Floor Insulation Board Pack Length: 9600mmPack Width: 4800mmPack coverage: 11.52m2Thickness: 80mmQuantity: Pack Of 4
Last known price: £386.14
£ 463.37 Inc VAT
75mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 4 ) - image
75mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 4 )
PIR Floor Insulation Board Pack Length: 9600mmPack Width: 4800mmPack coverage: 11.52m2Thickness: 75mmQuantity: Pack Of 4
Last known price: £341.09
£ 409.31 Inc VAT
60mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 5 ) - image
60mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 5 )
PIR Floor Insulation Board Pack Length: 12000mmPack Width: 6000mmPack coverage: 14.40m2Thickness: 60mmQuantity: Pack Of 5
Last known price: £326.01
£ 391.21 Inc VAT
50mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 6 ) - image
50mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 6 )
PIR Floor Insulation Board Pack Length: 14400mmPack Width: 7200mmPack coverage: 17.28m2Thickness: 50mmQuantity: Pack Of 6
Last known price: £306.74
£ 368.09 Inc VAT
25mm Unilin Xtroliner XO/UF PIR Floor Insulation Board  ( Pack of 12 ) - image
25mm Unilin Xtroliner XO/UF PIR Floor Insulation Board ( Pack of 12 )
PIR Floor Insulation Board Pack Length: 28800mmPack Width: 14400mmPack coverage: 34.56m2Thickness: 25mmQuantity: Pack Of 12
Last known price: £284.74
£ 341.69 Inc VAT
165mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
165mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 165mmQuantity: 1 Sheet
Last known price: £69.33
£ 83.20 Inc VAT
150mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
150mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 150mmQuantity: 1 Sheet
Last known price: £58.44
£ 70.13 Inc VAT
140mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
140mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 140mmQuantity: 1 Sheet
£ 59.44
£ 71.33 Inc VAT
130mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
130mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 130mmQuantity: 1 Sheet
£ 51.77
£ 62.12 Inc VAT
120mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
120mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 120mmQuantity: 1 Sheet
£ 46.24
£ 55.49 Inc VAT
110mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
110mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 110mmQuantity: 1 Sheet
£ 43.58
£ 52.30 Inc VAT
100mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
100mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 100mmQuantity: 1 Sheet
£ 41.24
£ 49.49 Inc VAT
90mm Unilin Thin-R XT/UF PIR Floor Insulation Board - image
90mm Unilin Thin-R XT/UF PIR Floor Insulation Board
PIR Floor Insulation Board Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 90mmQuantity: 1 Sheet
£ 38.41
£ 46.09 Inc VAT
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