Copyright © insulationcart.com | Insulation Cart 2023
Dear customers
The shop is temporarily closed for new orders. Our staff was in hospital COVID-19 which caused us some delays. We will reopen as soon as possible and if you have any queries contact us via the e-mail office@insulationcart.com or on the phone 02033978908.
Insulation Cart Team
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.
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
£49.83 (£59.80 inc VAT) Click to view discounts
5 or more: £49.03 (£58.84 inc VAT)
10 or more: £48.19 (£57.83 inc VAT)
20 or more: £47.00 (£56.40 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£71.51 (£85.81 inc VAT) Click to view discounts
5 or more: £70.33 (£84.40 inc VAT)
10 or more: £69.17 (£83.00 inc VAT)
20 or more: £67.41 (£80.89 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£93.41 (£112.09 inc VAT) Click to view discounts
5 or more: £91.87 (£110.24 inc VAT)
10 or more: £93.62 (£112.34 inc VAT)
20 or more: £89.54 (£107.45 inc VAT)
Please call us for an equivalent product
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.
£141.48 (£169.78 inc VAT) Click to view discounts
5 or more: £139.15 (£166.98 inc VAT)
10 or more: £136.84 (£164.21 inc VAT)
20 or more: £133.36 (£160.03 inc VAT)
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
£58.71 (£70.45 inc VAT) Click to view discounts
5 or more: £57.73 (£69.28 inc VAT)
10 or more: £56.78 (£68.14 inc VAT)
20 or more: £55.34 (£66.41 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£76.78 (£92.14 inc VAT) Click to view discounts
5 or more: £75.52 (£90.62 inc VAT)
10 or more: £74.26 (£89.11 inc VAT)
20 or more: £72.37 (£86.84 inc VAT)
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.
£64.71 (£77.65 inc VAT) Click to view discounts
5 or more: £63.66 (£76.39 inc VAT)
10 or more: £62.60 (£75.12 inc VAT)
20 or more: £61.00 (£73.20 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£96.31 (£115.57 inc VAT) Click to view discounts
5 or more: £95.23 (£114.28 inc VAT)
10 or more: £94.16 (£112.99 inc VAT)
20 or more: £92.55 (£111.06 inc VAT)
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.
£143.09 (£171.71 inc VAT) Click to view discounts
5 or more: £141.28 (£169.54 inc VAT)
10 or more: £139.55 (£167.46 inc VAT)
20 or more: £136.90 (£164.28 inc VAT)
40 or more: £132.01 (£158.41 inc VAT)
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.
£61.73 (£74.08 inc VAT) Click to view discounts
5 or more: £60.95 (£73.14 inc VAT)
10 or more: £60.05 (£72.06 inc VAT)
20 or more: £58.49 (£70.19 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£78.41 (£94.09 inc VAT) Click to view discounts
5 or more: £77.68 (£93.22 inc VAT)
10 or more: £76.82 (£92.18 inc VAT)
20 or more: £75.36 (£90.43 inc VAT)
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.
£121.19 (£145.43 inc VAT) Click to view discounts
5 or more: £119.17 (£143.00 inc VAT)
10 or more: £117.18 (£140.62 inc VAT)
20 or more: £114.25 (£137.10 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£80.82 (£96.98 inc VAT) Click to view discounts
5 or more: £79.86 (£95.83 inc VAT)
10 or more: £78.88 (£94.66 inc VAT)
20 or more: £77.41 (£92.89 inc VAT)
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
£58.13 (£69.76 inc VAT) Click to view discounts
5 or more: £57.17 (£68.60 inc VAT)
10 or more: £56.24 (£67.49 inc VAT)
20 or more: £54.77 (£65.72 inc VAT)
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.
£69.39 (£83.27 inc VAT) Click to view discounts
5 or more: £68.18 (£81.82 inc VAT)
10 or more: £67.08 (£80.50 inc VAT)
20 or more: £65.18 (£78.22 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£87.13 (£104.56 inc VAT) Click to view discounts
5 or more: £86.10 (£103.32 inc VAT)
7 or more: £84.51 (£101.41 inc VAT)
10 or more: £83.47 (£100.16 inc VAT)
15 or more: £82.10 (£98.52 inc VAT)
20 or more: £80.99 (£97.19 inc VAT)
25 or more: £80.34 (£96.41 inc VAT)
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.
£135.41 (£162.49 inc VAT) Click to view discounts
5 or more: £133.20 (£159.84 inc VAT)
10 or more: £131.02 (£157.22 inc VAT)
20 or more: £127.66 (£153.19 inc VAT)
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
£64.79 (£77.75 inc VAT) Click to view discounts
5 or more: £63.72 (£76.46 inc VAT)
10 or more: £62.65 (£75.18 inc VAT)
20 or more: £61.07 (£73.28 inc VAT)
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
£56.90 (£68.28 inc VAT) Click to view discounts
5 or more: £55.96 (£67.15 inc VAT)
10 or more: £55.03 (£66.04 inc VAT)
20 or more: £53.62 (£64.34 inc VAT)
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.
£70.76 (£84.91 inc VAT) Click to view discounts
5 or more: £69.51 (£83.41 inc VAT)
10 or more: £68.42 (£82.10 inc VAT)
20 or more: £66.49 (£79.79 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£81.21 (£97.45 inc VAT) Click to view discounts
5 or more: £79.96 (£95.95 inc VAT)
10 or more: £78.85 (£94.62 inc VAT)
15 or more: £77.80 (£93.36 inc VAT)
20 or more: £76.90 (£92.28 inc VAT)
25 or more: £75.72 (£90.86 inc VAT)
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.
£131.81 (£158.17 inc VAT) Click to view discounts
5 or more: £129.68 (£155.62 inc VAT)
10 or more: £127.52 (£153.02 inc VAT)
20 or more: £124.27 (£149.12 inc VAT)
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.
£112.78 (£135.34 inc VAT) Click to view discounts
5 or more: £110.91 (£133.09 inc VAT)
10 or more: £109.10 (£130.92 inc VAT)
20 or more: £106.28 (£127.54 inc VAT)
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
£88.91 (£106.69 inc VAT) Click to view discounts
5 or more: £87.87 (£105.44 inc VAT)
10 or more: £86.83 (£104.20 inc VAT)
20 or more: £85.26 (£102.31 inc VAT)
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.
£99.95 (£119.94 inc VAT) Click to view discounts
5 or more: £98.68 (£118.42 inc VAT)
10 or more: £97.03 (£116.44 inc VAT)
20 or more: £94.57 (£113.48 inc VAT)
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
£56.71 (£68.05 inc VAT) Click to view discounts
5 or more: £55.77 (£66.92 inc VAT)
10 or more: £54.84 (£65.81 inc VAT)
20 or more: £53.43 (£64.12 inc VAT)
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.
£73.44 (£88.13 inc VAT) Click to view discounts
5 or more: £72.23 (£86.68 inc VAT)
10 or more: £71.04 (£85.25 inc VAT)
20 or more: £69.23 (£83.08 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£96.88 (£116.26 inc VAT) Click to view discounts
5 or more: £95.87 (£115.04 inc VAT)
10 or more: £94.86 (£113.83 inc VAT)
15 or more: £93.37 (£112.04 inc VAT)
20 or more: £92.37 (£110.84 inc VAT)
25 or more: £91.36 (£109.63 inc VAT)
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
£56.55 (£67.86 inc VAT) Click to view discounts
5 or more: £55.62 (£66.74 inc VAT)
10 or more: £54.70 (£65.64 inc VAT)
20 or more: £53.31 (£63.97 inc VAT)
Please call us for an equivalent product
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
£46.21 (£55.45 inc VAT) Click to view discounts
5 or more: £45.45 (£54.54 inc VAT)
10 or more: £44.69 (£53.63 inc VAT)
20 or more: £43.58 (£52.30 inc VAT)
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.
£82.83 (£99.40 inc VAT) Click to view discounts
5 or more: £82.35 (£98.82 inc VAT)
10 or more: £81.00 (£97.20 inc VAT)
20 or more: £78.89 (£94.67 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£94.38 (£113.26 inc VAT) Click to view discounts
5 or more: £93.34 (£112.01 inc VAT)
10 or more: £92.30 (£110.76 inc VAT)
20 or more: £90.74 (£108.89 inc VAT)
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
£42.78 (£51.34 inc VAT) Click to view discounts
5 or more: £42.08 (£50.50 inc VAT)
10 or more: £41.37 (£49.64 inc VAT)
20 or more: £40.31 (£48.37 inc VAT)
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.
£74.45 (£89.34 inc VAT) Click to view discounts
5 or more: £73.22 (£87.86 inc VAT)
10 or more: £71.98 (£86.38 inc VAT)
20 or more: £70.17 (£84.20 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£97.14 (£116.57 inc VAT) Click to view discounts
5 or more: £96.05 (£115.26 inc VAT)
10 or more: £94.96 (£113.95 inc VAT)
20 or more: £93.34 (£112.01 inc VAT)
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
£60.27 (£72.32 inc VAT) Click to view discounts
5 or more: £59.25 (£71.10 inc VAT)
10 or more: £58.28 (£69.94 inc VAT)
20 or more: £56.82 (£68.18 inc VAT)
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.
£67.25 (£80.70 inc VAT) Click to view discounts
5 or more: £66.13 (£79.36 inc VAT)
10 or more: £65.03 (£78.04 inc VAT)
20 or more: £63.39 (£76.07 inc VAT)
Celotex CW4000 insulation board provides a simple insulation solution for partial fill cavity wall applications. Contains low emissivity foil facings.
£93.41 (£112.09 inc VAT) Click to view discounts
5 or more: £91.87 (£110.24 inc VAT)
10 or more: £90.35 (£108.42 inc VAT)
20 or more: £88.06 (£105.67 inc VAT)
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.
£142.52 (£171.02 inc VAT) Click to view discounts
5 or more: £140.16 (£168.19 inc VAT)
10 or more: £137.84 (£165.41 inc VAT)
20 or more: £134.32 (£161.18 inc VAT)
Registered office:
Lyndum House, 12 High Street, Petersfield, GU32 3JG, Hampshire, United Kingdom
Registered in England No: 8564419 VAT registration number: 265 7551 76
The cookie settings on this website are set to 'allow all cookies' to give you the very best experience.
Please be assured that we do not collect or store personal data via the cookies. To find out more information on the cookies we use on this website please view our privacy policy.
