Cavity Wall Insulation - Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices https://buildwholesale.co.uk Your source of Build supplies, plasterboard, building materials to the trade Thu, 13 Aug 2026 05:05:20 +0000 en-GB hourly 1 https://wordpress.org/?v=6.9.7 https://buildwholesale.co.uk/wp-content/uploads/cropped-favicon-32x32.png Cavity Wall Insulation - Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices https://buildwholesale.co.uk 32 32 Kingspan Thermawall TW50 100mm x 1200mm x 450mm https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/kingspan-thermawall-tw50-100mm-x-1200mm-x-450mm/ Sat, 19 Oct 2024 09:26:25 +0000 https://buildwholesale.co.uk/shop/uncategorized/kingspan-thermawall-tw50-100mm-x-1200mm-x-450mm/ Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.   For further technical information and latest documents and certification refer to this link....

The post Kingspan Thermawall TW50 100mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.

 

For further technical information and latest documents and certification refer to this link.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation – thermal conductivity 0.022 W/mK
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

✔ View Brochure✔ View BBA✔ View UK DOP✔ View Thermal Modelling✔ View Safety Information

Thickness 100mm
Dimension 1200mm x 450mm
Area 3.3m²
Pack Quantity 5 per pack

The post Kingspan Thermawall TW50 100mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Kingspan Thermawall TW50 40mm x 1200mm x 450mm https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/kingspan-thermawall-tw50-40mm-x-1200mm-x-450mm/ Sat, 19 Oct 2024 09:26:22 +0000 https://buildwholesale.co.uk/shop/uncategorized/kingspan-thermawall-tw50-40mm-x-1200mm-x-450mm/ Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.   For further technical information and latest documents and certification refer to this link....

The post Kingspan Thermawall TW50 40mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.

 

For further technical information and latest documents and certification refer to this link.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation – thermal conductivity 0.022 W/mK
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

✔ View Brochure✔ View BBA✔ View UK DOP✔ View Thermal Modelling✔ View Safety Information

Thickness 40mm
Dimension 1200mm x 450mm
Area 6.5m²
Pack Quantity 12 per pack

The post Kingspan Thermawall TW50 40mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Kingspan Thermawall TW50 50mm x 1200mm x 450mm https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/kingspan-thermawall-tw50-50mm-x-1200mm-x-450mm/ Sat, 19 Oct 2024 09:26:23 +0000 https://buildwholesale.co.uk/shop/uncategorized/kingspan-thermawall-tw50-50mm-x-1200mm-x-450mm/ Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.   For further technical information and latest documents and certification refer to this link....

The post Kingspan Thermawall TW50 50mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.

 

For further technical information and latest documents and certification refer to this link.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation – thermal conductivity 0.022 W/mK
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

✔ View Brochure✔ View BBA✔ View UK DOP✔ View Thermal Modelling✔ View Safety Information

Thickness 50mm
Dimension 1200mm x 450mm
Area 5.4m²
Pack Quantity 10 per pack

The post Kingspan Thermawall TW50 50mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Kingspan Thermawall TW50 60mm x 1200mm x 450mm https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/kingspan-thermawall-tw50-60mm-x-1200mm-x-450mm/ Sat, 19 Oct 2024 09:26:23 +0000 https://buildwholesale.co.uk/shop/uncategorized/kingspan-thermawall-tw50-60mm-x-1200mm-x-450mm/ Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.   For further technical information and latest documents and certification refer to this link....

The post Kingspan Thermawall TW50 60mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.

 

For further technical information and latest documents and certification refer to this link.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation – thermal conductivity 0.022 W/mK
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

✔ View Brochure✔ View BBA✔ View UK DOP✔ View Thermal Modelling✔ View Safety Information

Thickness 60mm
Dimension 1200mm x 450mm
Area 4.3m²
Pack Quantity 8 per pack

The post Kingspan Thermawall TW50 60mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Kingspan Thermawall TW50 70mm x 1200mm x 450mm https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/kingspan-thermawall-tw50-70mm-x-1200mm-x-450mm/ Sat, 19 Oct 2024 09:26:24 +0000 https://buildwholesale.co.uk/shop/uncategorized/kingspan-thermawall-tw50-70mm-x-1200mm-x-450mm/ Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.   For further technical information and latest documents and certification refer to this link....

The post Kingspan Thermawall TW50 70mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.

 

For further technical information and latest documents and certification refer to this link.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation – thermal conductivity 0.022 W/mK
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

✔ View Brochure✔ View BBA✔ View UK DOP✔ View Thermal Modelling✔ View Safety Information

Thickness 70mm
Dimension 1200mm x 450mm
Area 3.2m²
Pack Quantity 6 per pack

The post Kingspan Thermawall TW50 70mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Kingspan Thermawall TW50 75mm x 1200mm x 450mm https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/kingspan-thermawall-tw50-75mm-x-1200mm-x-450mm/ Sat, 19 Oct 2024 09:26:25 +0000 https://buildwholesale.co.uk/shop/uncategorized/kingspan-thermawall-tw50-75mm-x-1200mm-x-450mm/ Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.   For further technical information and latest documents and certification refer to this link....

The post Kingspan Thermawall TW50 75mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Thermawall TW50 is a cavity wall insulation board with a thermal conductivity of 0.022 W/mK. It is easy to cut and handle, ensuring an efficient installation process and is available in a range of thicknesses. TW50 is partial fill cavity wall insulation.

 

For further technical information and latest documents and certification refer to this link.

Product Highlights

  • High performance thermoset polyisocyanurate (PIR) insulation – thermal conductivity 0.022 W/mK
  • Clear cavity is maintained – resists moisture penetration
  • Low emissivity foil facings significantly increase the thermal resistance of the cavity
  • Lightweight insulation that is easy to cut, handle and install compared to some other commonly used insulants

✔ View Brochure✔ View BBA✔ View UK DOP✔ View Thermal Modelling✔ View Safety Information

Thickness 75mm
Dimension 1200mm x 450mm
Area 3.2m²
Pack Quantity 6 per pack

The post Kingspan Thermawall TW50 75mm x 1200mm x 450mm first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Recticel 100mm x 1200mm x 450mm EuroWall Partial Fill Cavity Insulation https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/recticel-100mm-x-1200mm-x-450mm-eurowall-partial-fill-cavity-insulation-10-per-pack/ Wed, 11 Feb 2026 02:12:18 +0000 https://buildwholesale.co.uk/shop/uncategorized/recticel-100mm-x-1200mm-x-450mm-eurowall-partial-fill-cavity-insulation-10-per-pack/ Eurowall® Cavity is a specialist high performance solution for cavity walls, with precision-cut straight edges to ensure gaps between boards are kept to a minimum. It has a low emissivity facing which delivers improved thermal resistance within the clear cavity. Key benefits Good thermal performance: λ = 0.022 W/mK Limited moisture absorbtion Durability For further technical...

The post Recticel 100mm x 1200mm x 450mm EuroWall Partial Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Eurowall® Cavity is a specialist high performance solution for cavity walls, with precision-cut straight edges to ensure gaps between boards are kept to a minimum. It has a low emissivity facing which delivers improved thermal resistance within the clear cavity.

Key benefits

  • Good thermal performance: λ = 0.022 W/mK
  • Limited moisture absorbtion
  • Durability

For further technical information refer to this link.

Key specifications
Lambda (λ)  0.022 W/mK
Size(s) 1200×450 mm
Fire performance Euroclass F
Edge finishing Straight edges

✔ View Technical Datasheet✔ View BBA✔ View DoP

Thickness 100mm
Dimension 1200mm x 450mm
Area 0.54m²
Pack Quantity 10 per pack

The post Recticel 100mm x 1200mm x 450mm EuroWall Partial Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Recticel 115mm x 1200mm x 460mm EuroWall+ Full Fill Cavity Insulation https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/full-fill/recticel-115mm-x-1200mm-x-460mm-eurowall-full-fill-cavity-insulation-8-per-pack/ Wed, 11 Feb 2026 02:11:46 +0000 https://buildwholesale.co.uk/shop/uncategorized/recticel-115mm-x-1200mm-x-460mm-eurowall-full-fill-cavity-insulation-8-per-pack/ Eurowall® + is a premium, full fill insulation board with precision cut tongue and groove joints on all four sides. This ensures that the boards lock tightly together to negate the risk of thermal bridging. This unique joint offers increased protection against wind driven rain as well as improved windtightness. Eurowall® + is also designed with a...

The post Recticel 115mm x 1200mm x 460mm EuroWall+ Full Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Eurowall® + is a premium, full fill insulation board with precision cut tongue and groove joints on all four sides. This ensures that the boards lock tightly together to negate the risk of thermal bridging. This unique joint offers increased protection against wind driven rain as well as improved windtightness. Eurowall® + is also designed with a 10mm cavity requirement in mind, so that space can be left for conventional bricklaying techniques.

Key benefits

  • Thermal performance: λ = 0.022 W/mK
  • Easy and fast installation
  • Tongue and groove rebate minimises thermal bridging

For further technical information refer to this link.

Key specifications
Lambda (λ)  0.022 W/mK
Size(s) 1200×460 (max including tongue and groove joint) 1190×450 (installed dimensions) mm
Fire performance Euroclass F
Edge finishing Tongue and groove

✔ View Technical Datasheet✔ View Brochure✔ View BBA✔ View DoP

Thickness 115mm
Dimension 1200mm x 460mm
Area 0.552m²
Pack Quantity 8 per pack

The post Recticel 115mm x 1200mm x 460mm EuroWall+ Full Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Recticel 140mm x 1200mm x 460mm EuroWall+ Full Fill Cavity Insulation https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/full-fill/recticel-140mm-x-1200mm-x-460mm-eurowall-full-fill-cavity-insulation-8-per-pack/ Wed, 11 Feb 2026 02:11:36 +0000 https://buildwholesale.co.uk/shop/uncategorized/recticel-140mm-x-1200mm-x-460mm-eurowall-full-fill-cavity-insulation-8-per-pack/ Eurowall® + is a premium, full fill insulation board with precision cut tongue and groove joints on all four sides. This ensures that the boards lock tightly together to negate the risk of thermal bridging. This unique joint offers increased protection against wind driven rain as well as improved windtightness. Eurowall® + is also designed with a...

The post Recticel 140mm x 1200mm x 460mm EuroWall+ Full Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Eurowall® + is a premium, full fill insulation board with precision cut tongue and groove joints on all four sides. This ensures that the boards lock tightly together to negate the risk of thermal bridging. This unique joint offers increased protection against wind driven rain as well as improved windtightness. Eurowall® + is also designed with a 10mm cavity requirement in mind, so that space can be left for conventional bricklaying techniques.

Key benefits

  • Thermal performance: λ = 0.022 W/mK
  • Easy and fast installation
  • Tongue and groove rebate minimises thermal bridging

For further technical information refer to this link.

Key specifications
Lambda (λ)  0.022 W/mK
Size(s) 1200×460 (max including tongue and groove joint) 1190×450 (installed dimensions) mm
Fire performance Euroclass F
Edge finishing Tongue and groove

✔ View Technical Datasheet✔ View Brochure✔ View BBA✔ View DoP

Thickness 140mm
Dimension 1200mm x 460mm
Area 0.552m²
Pack Quantity 8 per pack

The post Recticel 140mm x 1200mm x 460mm EuroWall+ Full Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Recticel 50mm x 1200mm x 450mm EuroWall Partial Fill Cavity Insulation https://buildwholesale.co.uk/shop/external-wall-insulation/cavity-wall-insulation/partial-fill/recticel-50mm-x-1200mm-x-450mm-eurowall-partial-fill-cavity-insulation-20-per-pack/ Wed, 11 Feb 2026 02:12:16 +0000 https://buildwholesale.co.uk/shop/uncategorized/recticel-50mm-x-1200mm-x-450mm-eurowall-partial-fill-cavity-insulation-20-per-pack/ Eurowall® Cavity is a specialist high performance solution for cavity walls, with precision-cut straight edges to ensure gaps between boards are kept to a minimum. It has a low emissivity facing which delivers improved thermal resistance within the clear cavity. Key benefits Good thermal performance: λ = 0.022 W/mK Limited moisture absorbtion Durability For further technical...

The post Recticel 50mm x 1200mm x 450mm EuroWall Partial Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]> Eurowall® Cavity is a specialist high performance solution for cavity walls, with precision-cut straight edges to ensure gaps between boards are kept to a minimum. It has a low emissivity facing which delivers improved thermal resistance within the clear cavity.

Key benefits

  • Good thermal performance: λ = 0.022 W/mK
  • Limited moisture absorbtion
  • Durability

For further technical information refer to this link.

Key specifications
Lambda (λ)  0.022 W/mK
Size(s) 1200×450 mm
Fire performance Euroclass F
Edge finishing Straight edges

✔ View Technical Datasheet✔ View BBA✔ View DoP

Thickness 50mm
Dimension 1200mm x 450mm
Area 0.54m²
Pack Quantity 20 per pack

The post Recticel 50mm x 1200mm x 450mm EuroWall Partial Fill Cavity Insulation first appeared on Build Wholesale | Plasterboard | Insulation | Building Supplies | Wholesale Prices.

]]>