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Insulation

PIR Boards for Cavity External Walls

In this category you will find all cavity external wall insulation products manufactured from PIR (polyisocyanurate) foam. Celotex, Kingspan and Xtratherm are top UK manufacturers producing top class PIR insulation boards all available in our online shop. All of our cavity wall insulation products are ISO certified and environmentally friendly containing no CFC's and HCFC's and characterised with zero ODP and low GWP. Most of the thicknesses of your PIR cavity wall insulation boards are available for immediate dispatch with 1-2 working days delivery across UK.

25mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

25mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£30.6836.82 inc VAT) Click to view discounts

5 or more: £30.18 (£36.22 inc VAT)
10 or more: £29.67 (£35.60 inc VAT)
20 or more: £28.91 (£34.69 inc VAT)

30mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

30mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£33.1539.78 inc VAT) Click to view discounts

5 or more: £32.60 (£39.12 inc VAT)
10 or more: £32.06 (£38.47 inc VAT)
20 or more: £31.25 (£37.50 inc VAT)

35mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

35mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£40.5648.67 inc VAT) Click to view discounts

5 or more: £39.89 (£47.87 inc VAT)
10 or more: £39.23 (£47.08 inc VAT)
20 or more: £38.23 (£45.88 inc VAT)

40mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

40mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£36.3143.57 inc VAT) Click to view discounts

5 or more: £35.72 (£42.86 inc VAT)
10 or more: £35.11 (£42.13 inc VAT)
20 or more: £34.22 (£41.06 inc VAT)

45mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

45mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£45.6454.77 inc VAT) Click to view discounts

5 or more: £44.90 (£53.88 inc VAT)
10 or more: £44.15 (£52.98 inc VAT)
20 or more: £43.02 (£51.62 inc VAT)

50mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

50mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£40.8048.96 inc VAT) Click to view discounts

5 or more: £40.13 (£48.16 inc VAT)
10 or more: £39.46 (£47.35 inc VAT)
20 or more: £38.46 (£46.15 inc VAT)

55mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

55mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 9)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£46.4755.76 inc VAT) Click to view discounts

5 or more: £45.71 (£54.85 inc VAT)
10 or more: £44.94 (£53.93 inc VAT)
20 or more: £43.80 (£52.56 inc VAT)

60mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 7)

60mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 7)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£40.8849.06 inc VAT) Click to view discounts

5 or more: £40.20 (£48.24 inc VAT)
10 or more: £39.55 (£47.46 inc VAT)
20 or more: £38.52 (£46.22 inc VAT)

80mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 4)

80mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 4)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£39.6347.56 inc VAT) Click to view discounts

5 or more: £38.97 (£46.76 inc VAT)
10 or more: £38.33 (£46.00 inc VAT)
20 or more: £37.33 (£44.80 inc VAT)

90mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 4)

90mm Xtratherm Thin-R XTCW Cavity Wall Insulation Board 1200x450 (pack of 4)

Xtratherm Thin-R XT/CW is a cavity board providing high levels of thermal insulation when building external walls whilst maintaining a residual cavity to prevent moisture penetration. Contains low emissivity foil facings. Thermal Conductivity – 0.022W/mK
Xtratherm

£34.3741.24 inc VAT) Click to view discounts

5 or more: £33.81 (£40.57 inc VAT)
10 or more: £33.23 (£39.88 inc VAT)
20 or more: £32.41 (£38.89 inc VAT)

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