Free Delivery with Orders over £500 Inc Vat, Deliveries in Mainland England Only. Alternative Equal brands maybe sent as substitutes if not available in certain geographical areas. CHRISTMAS HOLIDAYS FROM 23RD DECEMBER 2025-5TH JANUARY 2026. ANY ORDERS PLACED BETWEEN THESE DATES WILL BE PROCESSED ON THE 5TH JANUARY FOR DELIVERY THAT WEEK. FOR ANY ORDERS REQUIRED UPTO THE 23RD DECEMBER THEY MUST BE ORDERED BY THURSDAY 18TH DECEMBER.

Insulation By Brand

89 products

  • 25mm EcoTherm Eco-Versal PIR Insulation Board 2400mm x 1200mm

    EcoTherm 25mm EcoTherm Eco-Versal PIR Insulation Board 2400mm x 1200mm

      EcoTherm Eco-Versal 25mm PIR insulation Boards are a multi-purpose thermal solution that can be used in both new builds and renovation projects. They are useful for reducing cold-bridging. These 25mm rigid polyisocyanurate (PIR) boards are made up of a core of fibre-free material sandwiched between two layers of aluminium foil. EcoTherm 25mm insulation boards are versatile and can be used for floors, walls, ceilings, pitched roofs, and more. These 25mm insulation boards are second only to phenolic insulation for thermal efficiency. They have a lambda of just 0.022 W/mK. 25mm EcoTherm insulation boards are cost-effective and environmentally friendly, which makes them a good choice for reducing CO2 emissions. They can also be used in a variety of building projects. Technical Specification Material Type: PIR Thickness: 25mm Width: 1200mm Length: 2400mm Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: EcoTherm Manufacturer's Reference: 100000012556 Weight: 1.17kg/m2 Thermal Conductivity: 0.022W/mK

    £15.84

  • 25mm EPS70 Polystyrene Insulation Board 2400mm x 1200mm (12 Sheets/Pack)

    25mm EPS70 Polystyrene Insulation Board 2400mm x 1200mm (12 Sheets/Pack)

    Polystyrene floor insulation that achieves the required U-value and compressive performance of 70kPa, suitable for a range of different floor applications. Cost effective insulation for the lifetime of the building. Technical Specification Material Type: EPS Thickness: 25mm Width: 1200mm Length: 2400mm Pieces Per Pack: 12 Sales Unit: Pack Sales Unit Coverage: 34.56m2 Compressive Strength: 70kPa Thermal Conductivity: 0.038W/mK

    £72.00

  • 25mm Knauf Earthwool RS45 Building Slab (14.4m2/Pack)

    Knauf 25mm Knauf Earthwool RS45 Building Slab (14.4m2/Pack)

    Earthwool Building Slabs are non-combustible Rock Mineral Wool slabs, manufactured using Knauf Insulation's revolutionary ECOSE Technology in a range of densities, and are designed for use in multiple applications. Earthwool Building Slab RS45 is manufactured with a density of 45kg/m3, designed for use in a variety of applications including internal partitions, timber and metal studs, and in between timber rafters and floor joists. Technical Specification Material Type: Rock Mineral Thickness: 25mm Width: 600mm Length: 1200mm Pieces Per Pack: 20 Packs Per Pallet: 12 Sales Unit: Pack Sales Unit Coverage: 14.4m2 Brand: Knauf Insulation Manufacturer's Reference: 2411325 Thermal Conductivity: 0.035W/mK Density: 45kg/m3 Fire Rating: A1 Non-Combustible

    £45.22

  • 25mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm

    Recticel 25mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm

      25mm Recticel Eurothane GP PIR Insulation Board is a BBA certified thermal solution that can be used in a variety of building applications. It is lightweight, making it easy to handle, and can be cut to size and installed with ease. Comprised of a rigid foam polyisocyanurate (PIR) core, these 25mm Recticel Insulation boards are faced on both sides by a layer of aluminium foil that acts as a gas diffusion facer. They are moisture resistant and therefore offer consistent thermal performance over a long period of time. With a thermal conducivity of 0.022 W/mK, 25mm Recticel Eurothane boards offer a high level of thermal performance for walls, floors, pitched roofs and ceilings, making them one of the most popular insulation products in the UK. Technical Specification  Material Type: PIR Thickness: 25mm Width: 1200mm Length: 2400mm Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: Recticel Thermal Conductivity: 0.022W/mK

    £11.64

  • 25mm Rockwool RWA45 Acoustic Sound Insulation Slab (11.52m2/Pack)

    Rockwool 25mm Rockwool RWA45 Acoustic Sound Insulation Slab (11.52m2/Pack)

    25mm Rockwool RWA45 Acoustic Sound Insulation Slab is a multi-purpose acoustic insulation solution that is suitable for a wide range of building applications. It is certified as A1 non-combustible in accordance with BS EN 13501-1, achieving the highest possible level of fire performance. 25mm Rockwool RWA45 slabs have a density of 45kg/m3, giving them excellent acoustic properties and making them ideal for use in separating floors and walls. These 25mm Rockwool insulation slabs are resin bonded and cut to 1200mm x 600mm, which means they fit easily between most standard stud partitions and floor joists. Sometimes referred to as Sound slabs due to their acoustic properties, 25mm RWA45 Slabs are the most popular acoustic insulation solution on the market. Technical Specification Material Type: Rock Mineral Thickness: 25mm Width: 600mm Length: 1200mm Pieces Per Pack: 16 Packs Per Pallet: 12 Sales Unit: Pack Sales Unit Coverage: 11.52m2 Brand: Rockwool Manufacturer's Reference: 181173 Thermal Conductivity: 0.035W/mK Density: 45kg/m3 Fire Rating: A1 Non-Combustible

    £33.00

  • 25mm Rockwool RWA45 Acoustic Sound Insulation Slab (11.52m2/Pack) 20 Packs/Pallet-Pallet Deal 230.4m2

    Rockwool 25mm Rockwool RWA45 Acoustic Sound Insulation Slab (11.52m2/Pack) 20 Packs/Pallet-Pallet Deal 230.4m2

    25mm Rockwool RWA45 Acoustic Sound Insulation Slab is a multi-purpose acoustic insulation solution that is suitable for a wide range of building applications. It is certified as A1 non-combustible in accordance with BS EN 13501-1, achieving the highest possible level of fire performance. 25mm Rockwool RWA45 slabs have a density of 45kg/m3, giving them excellent acoustic properties and making them ideal for use in separating floors and walls. These 25mm Rockwool insulation slabs are resin bonded and cut to 1200mm x 600mm, which means they fit easily between most standard stud partitions and floor joists. Sometimes referred to as Sound slabs due to their acoustic properties, 25mm RWA45 Slabs are the most popular acoustic insulation solution on the market. Technical Specification Material Type: Rock Mineral Thickness: 25mm Width: 600mm Length: 1200mm Pieces Per Pack: 16 Packs Per Pallet: 12 Sales Unit: Pack Sales Unit Coverage: 11.52m2 Brand: Rockwool Manufacturer's Reference: 181173 Thermal Conductivity: 0.035W/mK Density: 45kg/m3 Fire Rating: A1 Non-Combustible

    £639.00

  • 30mm Celotex TB4030 PIR Insulation Board 2400mm x 1200mm

    Celotex 30mm Celotex TB4030 PIR Insulation Board 2400mm x 1200mm

    Celotex TB4030 PIR Insulation 30mm can be used in a variety floor, wall and roof applications and to reduce thermal-bridging. 30mm Celotex Insulation boards comprises a combination of an eco-friendly blowing agents giving it a low potential for global warming. They have also been shown to have zero ozone destruction potential (ODP). These 30mm Celotex PIR boards feature a low-emissivity foil front that improves thermal performance in sealed cavity air spaces, enhancing the U value. 30mm Celotex PIR Insulation boards are lightweight and rigid so they can be easily transported, used and fitted. Celotex TB4030 has been certified by the BBA as suitable for roof, wall and floor applications if it's installed, used and maintained in accordance with the certificate. Celotex TB4030 is equipped with a BRE Green Guide rating A, which can be used in your BREEAM assessments to show environmental performance. Technical Specifications Material Type: PIR Thickness: 30mm Width: 1200mm Length: 2400mm Pieces Per Pack: 14 Packs Per Pallet: 6 Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: Celotex Manufacturer's Reference: TB4030 Weight: 1.1kg/m2 Thermal Conductivity: 0.022W/mK

    £15.09

  • 30mm EcoTherm Eco-Versal PIR Insulation Board 2400mm x 1200mm

    EcoTherm 30mm EcoTherm Eco-Versal PIR Insulation Board 2400mm x 1200mm

      EcoTherm Eco-Versal 30mm PIR Insulation boards are a multi-application thermal solution for use in both new builds and refurbishment projects and are often used to reduce thermal-bridging. These 30mm rigid polyisocyanurate (PIR) boards consist of a fibre free core sandwiched between two layers of aluminium foil. EcoTherm 30mm insulation boards can be used in a variety of applications, including floors, walls, ceilings and pitched roofs. Second only to phenolic insulation in terms of thermal efficiency, these 30mm insulation boards have a lambda value of just 0.022 W/mK. Good for reducing CO2 emissions, 30mm EcoTherm inuslation boards are a cost-effective, environmentally friendly insulation solution that are suitable for a wide range of building projects. Technical Specification Material Type: PIR Thickness: 30mm Width: 1200mm Length: 2400mm Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: EcoTherm Manufacturer's Reference: 100000012557 Weight: 1.33kg/m2 Thermal Conductivity: 0.022W/mK

    £18.64

  • 30mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm

    Recticel 30mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm

      30mm Recticel Eurothane GP PIR Insulation Board is a BBA certified thermal solution that can be used in a variety of building applications. It is lightweight, making it easy to handle, and can be cut to size and installed with ease. Comprised of a rigid foam polyisocyanurate (PIR) core, these 30mm Recticel Insulation boards are faced on both sides by a layer of aluminium foil that acts as a gas diffusion facer. They are moisture resistant and therefore offer consistent thermal performance over a long period of time. With a thermal conductivity of 0.022 W/mK, 30mm Recticel Eurothane boards offer a high level of thermal performance for walls, floors, pitched roofs and ceilings, making them one of the most popular insulation products in the UK. Technical Specification Material Type: PIR Thickness: 30mm Width: 1200mm Length: 2400mm Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: Recticel Thermal Conductivity: 0.022W/mK

    £13.50

  • 40mm Celotex TB4040 PIR Insulation Board 2400mm x 1200mm

    Celotex 40mm Celotex TB4040 PIR Insulation Board 2400mm x 1200mm

    Celotex TB4040 40mm PIR Insulation can be used for a variety of floor, wall and roof applications. It also reduces cold-bridging. 40mm Celotex Insulation boards contain an eco-friendly blowing agent that has a low potential to cause global warming. They also have zero ozone destruction potential (ODP). These 40mm Celotex PIR boards have a low-emissivity foil face that increases thermal performance in sealed cavity air space, improving the U value. 40mm Celotex PIR Insulation boards can be transported easily and are rigid enough to be used and fitted. Celotex TB4040 is certified by the BBA to be suitable for roof, wall, and floor applications if it is installed, used, and maintained according to the certificate. Celotex TB4040 has a BRE Green Guide A rating, which can be used to demonstrate environmental performance in your BREEAM assessments. Technical Specification Material Type: PIR Thickness: 40mm Width: 1200mm Length: 2400mm Pieces Per Pack: 10 Packs Per Pallet: 6 Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: Celotex Manufacturer's Reference: TB4040 Weight: 1.41kg/m2 Thermal Conductivity: 0.022W/mK

    £18.95

  • 40mm EcoTherm Eco-Versal PIR Insulation Board 2400mm x 1200mm

    EcoTherm 40mm EcoTherm Eco-Versal PIR Insulation Board 2400mm x 1200mm

      EcoTherm Eco-Versal 40mm PIR Insulation Boards are multi-purpose thermal solutions that can be used in both new and refurbishment projects. They are also useful in reducing cold-bridging. These 40mm rigid polyisocyanurate (PIR) boards are made up of a core of fibre-free material sandwiched between two layers of aluminium foil. EcoTherm 40mm insulation boards are versatile and can be used for floors, walls, ceilings, pitched roofs, and more. These 40mm EcoTherm insulation boards are second only to phenolic insulation for thermal efficiency. They have a thermal conductivity value of just 0.022 W/mK. 40mm EcoTherm insulation boards are cost-effective and environmentally friendly, which makes them a good choice for reducing CO2 emissions. They can also be used in a variety of building projects. Technical Specifications Material Type: PIR Thickness: 40mm Width: 1200mm Length: 2400mm Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: EcoTherm Manufacturer's Reference: 100000012558 Weight: 1.64kg/m2 Thermal Conductivity: 0.022W/mK

    £21.97

  • 40mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm

    Recticel 40mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm

      40mm Recticel Eurothane GP PIR Insulation Board is a BBA certified thermal solution that can be used in a variety of building applications. It is lightweight, making it easy to handle, and can be cut to size and installed with ease. Comprised of a rigid foam polyisocyanurate (PIR) core, these 40mm Recticel Insulation boards are faced on both sides by a layer of aluminium foil that acts as a gas diffusion facer. They are moisture resistant and therefore offer consistent thermal performance over a long period of time. With a thermal conductivity of 0.022 W/mK, 40mm Recticel Eurothane boards offer a high level of thermal performance for walls, floors, pitched roofs and ceilings, making them one of the most popular insulation products in the UK. Technical Specification Material Type: PIR Thickness: 40mm Width: 1200mm Length: 2400mm Sales Unit: Board Sales Unit Coverage: 2.88m2 Brand: Recticel Thermal Conductivity: 0.022W/mK

    £17.10

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