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Internal Wall Insulation

Competitive Trade Pricing with quantity discounts. Online supplier of Internal Wall Insulation solutions from top UK brands like Kingspan Internal Wall Insulation, Knauf Internal Wall Insulation, Celotex Internal Wall Insulation, Xtratherm Internal Wall Insulation, Rockwool, Recticel, Isover and much more.

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The insulation of the walls has a significant impact on the energy efficiency of the building. It is one of the most important investments that can be done to reduce energy costs. The Internal wall insulation can be used in both commercial and residential properties to improve indoor comfort.

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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£ 42.91
£ 1704.14
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10 products
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37.5mm Speedline PIR Thermal Laminate Board - image
37.5mm Speedline PIR Thermal Laminate Board
Thermal Laminate PIR Insulated Plasterboard Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
£ 47.80
£ 57.36 Inc VAT
37.5mm Recticel Eurothane PL PIR Insulated Plasterboard - image
37.5mm Recticel Eurothane PL PIR Insulated Plasterboard
Fibre free rigid polyisocyanurate (PIR) insulation core faced with plasterboard Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
Last known price: £57.65
£ 69.18 Inc VAT
37.5mm EcoTherm Eco-Liner PIR Insulated Plasterboard - image
37.5mm EcoTherm Eco-Liner PIR Insulated Plasterboard
Fibre free rigid polyisocyanurate (PIR) insulation core faced with plasterboard Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
£ 54.84
£ 65.81 Inc VAT
37.5mm Mannok Therm Laminate-Kraft PIR Insulated Plasterboard - (25mm PIR Insulation + 12.5mm Plasterboard) - image
37.5mm Mannok Therm Laminate-Kraft PIR Insulated Plasterboard - (25mm PIR Insulation + 12.5mm Plasterboard)
Kraft PIR Insulated Plasterboard Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
£ 42.91
£ 51.49 Inc VAT
37.5mm Kingspan Kooltherm K118 Insulated Plasterboard - image
37.5mm Kingspan Kooltherm K118 Insulated Plasterboard
A premium performance, lower-lambda rigid thermoset phenolic insulation. Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
Last known price: £67.62
£ 81.14 Inc VAT
37.5mm Kingspan Kooltherm K118 Insulated Plasterboard (Pack Of 21) - image
37.5mm Kingspan Kooltherm K118 Insulated Plasterboard (Pack Of 21)
A premium performance, lower-lambda rigid thermoset phenolic insulation. Pack Length: 50400mmPack Width: 25200mmPack coverage: 60.48m2Thickness: 37.5mmQuantity: Pack Of 21
£ 1704.14
£ 2044.97 Inc VAT
37.5mm Celotex PL4025 Insulated Plasterboard (PL4000) - image
37.5mm Celotex PL4025 Insulated Plasterboard (PL4000)
PIR Insulated Plasterboard Laminate for Multiple Applications. Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
£ 51.20
£ 61.44 Inc VAT
37.5mm Unilin / Xtratherm Insulated Plasterboard XT/TL-MR Thermal Liner (Moisture Resistant) - image
37.5mm Unilin / Xtratherm Insulated Plasterboard XT/TL-MR Thermal Liner (Moisture Resistant)
Moisture Resistant Insulated Plasterboard Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
Last known price: £61.50
£ 73.80 Inc VAT
37.5mm Unilin / Xtratherm Insulated Plasterboard XT/TL-MF Thermal Liner (Mechanically Fixed) - image
37.5mm Unilin / Xtratherm Insulated Plasterboard XT/TL-MF Thermal Liner (Mechanically Fixed)
Insulated Plasterboard - Mechanically Fixed Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
Last known price: £44.67
£ 53.60 Inc VAT
37.5mm Unilin / Xtratherm Insulated Plasterboard XT\TL Thermal Liner (Dot And Dab) - image
37.5mm Unilin / Xtratherm Insulated Plasterboard XT\TL Thermal Liner (Dot And Dab)
Insulated Plasterboard - Dot & Dab Pack Length: 2400mmPack Width: 1200mmPack coverage: 2.88m2Thickness: 37.5mmQuantity: 1 Sheet
Last known price: £48.12
£ 57.74 Inc VAT
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