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.

90mm Celotex CW4000 PIR Cavity Wall Insulation Board 1200x450 (pack of 5)

90mm Celotex CW4000 PIR Cavity Wall Insulation Board 1200x450 (pack of 5)

Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
Celotex

£56.7568.10 inc VAT) Click to view discounts

5 or more: £55.82 (£66.98 inc VAT)
10 or more: £54.89 (£65.87 inc VAT)
20 or more: £53.50 (£64.20 inc VAT)

100mm Celotex CW4000 PIR Cavity Wall Insulation Board 1200x450 (pack of 5)

100mm Celotex CW4000 PIR Cavity Wall Insulation Board 1200x450 (pack of 5)

Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
Celotex

£65.9179.09 inc VAT) Click to view discounts

5 or more: £64.81 (£77.77 inc VAT)
10 or more: £63.73 (£76.48 inc VAT)
20 or more: £62.12 (£74.54 inc VAT)

47mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 10)

47mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 10)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£71.1385.36 inc VAT) Click to view discounts

5 or more: £69.95 (£83.94 inc VAT)
10 or more: £68.80 (£82.56 inc VAT)
20 or more: £67.03 (£80.44 inc VAT)

50mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 11)

50mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 11)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£83.1499.77 inc VAT) Click to view discounts

5 or more: £81.79 (£98.15 inc VAT)
10 or more: £80.43 (£96.52 inc VAT)
20 or more: £78.38 (£94.06 inc VAT)

60mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 8)

60mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 8)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£85.40102.48 inc VAT) Click to view discounts

5 or more: £84.01 (£100.81 inc VAT)
10 or more: £82.63 (£99.16 inc VAT)
20 or more: £80.51 (£96.61 inc VAT)

70mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 7)

70mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 7)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£76.4391.72 inc VAT) Click to view discounts

5 or more: £75.16 (£90.19 inc VAT)
10 or more: £73.91 (£88.69 inc VAT)
20 or more: £72.05 (£86.46 inc VAT)

75mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 8)

75mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 8)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£90.24108.29 inc VAT) Click to view discounts

5 or more: £89.10 (£106.92 inc VAT)
10 or more: £88.01 (£105.61 inc VAT)
20 or more: £86.34 (£103.61 inc VAT)
40 or more: £83.26 (£99.91 inc VAT)

85mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 7)

85mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 7)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£89.23107.08 inc VAT) Click to view discounts

5 or more: £87.76 (£105.31 inc VAT)
10 or more: £86.30 (£103.56 inc VAT)
20 or more: £84.11 (£100.93 inc VAT)

100mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 6)

100mm Celotex CG5000 Premium PIR Cavity Wall Insulation Board 1200x450 (pack of 6)

Celotex CG5000 is a premium performance PIR solution specifically designed for partial fill cavity wall applications. Class O fire rating. Thermal conductivity as low as 0.021W/mK.
Celotex

£89.88107.86 inc VAT) Click to view discounts

5 or more: £88.40 (£106.08 inc VAT)
10 or more: £86.93 (£104.32 inc VAT)
20 or more: £84.72 (£101.66 inc VAT)

25mm Kingspan Thermawall TW50 PIR Cavity Wall Insulation Board 1200x450 (pack of 20)

25mm Kingspan Thermawall TW50 PIR Cavity Wall Insulation Board 1200x450 (pack of 20)

Kingspan Thermawall TW50 is the cavity wall insulation comprising a high performance rigid thermoset insulation core (PIR) faced on both sides with a low emissivity composite foil facing. Thermal Conductivity 0.022 W/mK.
Kingspan

£68.3081.96 inc VAT) Click to view discounts

5 or more: £67.17 (£80.60 inc VAT)
10 or more: £66.04 (£79.25 inc VAT)
20 or more: £64.38 (£77.26 inc VAT)

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