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50mm Knauf RS45 Rocksilk Earthwool Building Slab Insulation - 12 packs - 86.4m²

£350.00 Save £-350.00
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A pallet of 12 packs of 50mm thick Rocksilk® RS45, a Rock Mineral Wool slab, designed for use in multiple thermal and acoustic applications. 

It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using Knauf Insulation's unique bio-based binder, ECOSE® Technology.

  • 50mm thick
  • 1200mm x 600mm
  • Pack Quantity: 10
  • Thermal Conductivity: 0.035W/mK
  • R-Value: 1.4m2K/W
  • Single slab can be used for multiple applications.
  • Can be provided with a factory applied foil or tissue facing, offering solutions for a wide variety of applications.

Suitable For

Multi-Application, Ground floors, Internal floors, Separating floors, Fabrication, Pitched roofs at rafter level, Internal walls / partitions, Light steel frame walls, Timber frame walls

Thickness: 50 mm
Length: 1200 mm
Width: 600 mm
Coverage: 86.4 m²
R-value *: 1.4 m²K/W
Thermal conductivity: 0.035 W/mK
Density: 45 kg/m³

 

* The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.

50mm Knauf RS45 Rocksilk Earthwool Building Slab Insulation - 7.2m²

£29.45 Save £-29.45
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50mm thick Rocksilk® RS45 is a Rock Mineral Wool slab, designed for use in multiple thermal and acoustic applications. 

It is non-combustible with the best possible Euroclass A1 reaction to fire classification, and is manufactured using Knauf Insulation's unique bio-based binder, ECOSE® Technology.

  • 50mm thick
  • 1200mm x 600mm
  • Pack Quantity: 10
  • Thermal Conductivity: 0.035W/mK
  • R-Value: 1.4m2K/W
  • Single slab can be used for multiple applications.
  • Can be provided with a factory applied foil or tissue facing, offering solutions for a wide variety of applications.

Suitable For

Multi-Application, Ground floors, Internal floors, Separating floors, Fabrication, Pitched roofs at rafter level, Internal walls / partitions, Light steel frame walls, Timber frame walls

Thickness: 50 mm
Length: 1200 mm
Width: 600 mm
Coverage: 7.20 m²
R-value *: 1.4 m²K/W
Thermal conductivity: 0.035 W/mK
Density: 45 kg/m³

 

* The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.

50mm Celotex CW4050 Cavity Insulation - 1200mm x 450mm - 11 Boards

£45.83 Save £-45.83
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This Celotex CW4050 is a partial fill insulation for masonry cavity walls. It is a high-performance rigid polyisocyanurate (PIR) material which is available in 50mm thickness and has been pre-sized so it can fit between cavity wall ties. It's suitable for use in both new and existing builds as well as extensions, making it a versatile option.

CW4050 insulation has excellent thermal conductivity value of 0.022 W/mK, and the innovative low emissive aluminium foil facing helps it to achieve impressive uValues. As a result, it's among the best-performing insulation materials available on the market, bringing you reliable long-term savings.

  • Quick & easy to install
  • High-performance partial fill PIR insulation board
  • Low emissivity foil facings
  • Improves thermal insulation performance in cavity air spaces
  • Suitable for masonry cavity walls
  • CS(10\Y)120 compressive strength (kPa)

Celotex CW4050 insulation board has been specifically sized to fit the standard wall tie spacing requirements. This means that no cutting is required, making it quick and easy to be installed. When fitted correctly, it will help you meet carbon dioxide emissions and energy use targets which have been set by the national building regulations.

Thickness: 50 mm
Length: 1200 mm
Width: 450 mm
No. Boards: 11
Coverage: 5.94 m²
R-value: 2.25 m²K/W
Thermal Conductivity: 0.022 W/mK
Maximum Weight: 1.92 kg/m² 
Certification: BA 16/5352 BBA  17/5405
Country Origin: UK


The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is.

What's more, this sturdy PIR insulation comes with a BBA (British Board of Agrément) certificate and a BRE (Building Research Establishment) Green Guide Rating of A, which will help improve your environmental performance.

  • Thermal conductivity: 0.022W/mK, according to BS EN 13165 for factory made rigid polyurethane foam (PU) product
  • BRE Green Guide Rating: A
  • Spread of flame: Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission.
  • Certification: BBA certified
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50mm Isover Timber Frame Batt 32 - 6.03m²

£38.58 Save £-38.58
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This 50mm x 1175mm x 570mm Isover 32 timber frame batt is a glass mineral wool batt providing thermal performance in timber frame walls. Supplied in a range of thicknesses, the strong resilient and flexible batts are 570mm wide to fit between standard timber studs.

They can also be used as insulation between the joists in flat roofs. Application: between the studs for timber frame external walls, timber frame internal walls, timber frame separating party walls and between the joists for flat roofs.

  • 50mm thick
  • 570mm x 1175mm - 9 batts per pack
  • Helps to reduce heat loss within the building envelope and decrease energy costs
  • Reduces the transmission of airborne sound, helping to improve the acoustic comfort of those living or working within the building
  • Non-combustible – achieves Euroclass A1 Reaction to Fire classification
  • Strong, resilient and flexible slabs knit together that are tightly butt jointed, eliminating gaps that could compromise performance
  • Any off-cuts can be reused, minimising waste on site
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    50mm Isover Cavity Wall System 36 - 10.92m²

    £28.61 Save £-28.61
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    The Isover Cavity Wall Slab (CWS) 36 1.2m x 455 x 50mm (L x W x T) Pack of 20 is a glass mineral wool insulation designed to meet and exceed UK thermal building regulations when installed in external masonry cavity walls. With a thermal conductivity of 0.036 W/mK the strong, resilient flexible slabs are 455mm wide to fit between standard wall tie spacings.

    Features & benefits
    • Manufactured with a water repellent binder
    • Non-combustible, achieves a Euroclass A1 Reaction to fire classification
    • BBA approved – certificate 18/5560
    • Achieves Eurofins Gold certification - the highest accreditation for indoor air quality
    • Manufactured from up to 75% recycled glass
    • Meets and exceeds UK thermal building regulations when installed in external masonry cavity walls

      12.5mm Square Edge Knauf Wallboard - 100 Boards x 1200mm x 2400mm

      £860.00 Save £-860.00
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      A pallet of 100 boards of Knauf 12.5mm square edge wallboard is plasterboard with an ivory paper face. This product is ideally suited to receive a plaster finish or for direct decoration. Used in walls, ceilings and drywall partitions.
      • 1200 x 2400 x 12.5mm
      • Square Edge
      • Easy to use
      • Will not rot or warp
      • The most commonly used type of Plasterboard in the UK market
      • Ideal for Walls, Ceiling and Partition walls

      12.5mm Square Edge Knauf Wallboard - 100 Boards x 900mm x 1800mm

      £591.67 Save £-591.67
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      100 boards of Knauf 12.5mm square edge wallboard is plasterboard with an ivory paper face and measures 900mm x 1800mm. This product is ideally suited to receive a plaster finish or for direct decoration. Used in walls, ceilings and drywall partitions.
      • 900 x 1800 x 12.5mm
      • Square Edge
      • Easy to use
      • Will not rot or warp
      • The most commonly used type of Plasterboard in the UK market
      • Ideal for Walls, Ceiling and Partition walls
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      100x100mm PSE Planed Redwood Timber (Sold per m)

      £12.67 Save £-12.67
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      100x100mm planed square edge (PSE) redwood timber is a superior quality joinery-grade product taken from slow-grown trees for a sturdy, reliable timber that resists warping and splitting. The smooth planed surface makes redwood PSE the perfect option for joinery jobs that call for a flawless finish such as skirting, architraves and furniture.

      • 100mm x 100mm
      • 94mm x 94mm finished size
      • Price per m

      Supplied in various lengths, availability may vary due to location.

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      75x75mm PSE Planed Redwood Timber (Sold per m)

      £5.51 Save £-5.51
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      75x75mm planed square edge (PSE) redwood timber is a superior quality joinery-grade product taken from slow-grown trees for a sturdy, reliable timber that resists warping and splitting. The smooth planed surface makes redwood PSE the perfect option for joinery jobs that call for a flawless finish such as skirting, architraves and furniture.

      • 75mm x 75mm
      • 69mm x 69mm finished size
      • Price per m

      Supplied in various lengths, availability may vary due to location.

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      50x150mm PSE Planed Redwood Timber (Sold per m)

      £5.83 Save £-5.83
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      50x150mm planed square edge (PSE) redwood timber is a superior quality joinery-grade product taken from slow-grown trees for a sturdy, reliable timber that resists warping and splitting. The smooth planed surface makes redwood PSE the perfect option for joinery jobs that call for a flawless finish such as skirting, architraves and furniture.

      • 50mm x 150mm
      • 44mm x 144mm finished size
      • Price per m

      Supplied in various lengths, availability may vary due to location.

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      12.5mm Tapered Edge Knauf Vapour Panel Plasterboard TE - 1200mm x 2400mm

      £13.67 Save £-13.67
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      Knauf 12.5mm tapered edge Vapour Panel is laminated plasterboard and is resistant to vapour. It features a metallised polyester foil laminate on the grey paper face, creating an effective vapour barrier.
      • 1200 x 2400 x 12.5mm
      • Tapered Edge
      • Vapour resistant
      • Easy to use
      • Will not rot or warp
      • Ideal for applications where the limiting of sound transfer is a factor
      • The high density of these boards also adds increased fire protection and impact resistance.

      12.5mm Tapered Edge Knauf Moisture Panel Plasterboard - 100 Boards x 1200mm x 2400mm

      £1,508.33 Save £-1,508.33
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      100 boards of Knauf 12.5mm tapered edge Moisture Panel is a high-performance plasterboard which is for use in internal areas of high humidity. It has tapered edges to assist in jointing and skimming.
      • 1200 X 2400 X 12.5mm
      • Tapered Edge
      • Easy to use
      • Will not rot or warp
      • Coverage of 2.88m² per sheet
      • Best areas of use are kitchens, bathrooms and toilets

      12.5mm Tapered Edge Knauf Moisture Panel Plasterboard -72 Boards x 1200mm x 2400mm

      £1,100.00 Save £-1,100.00
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      72 boards of Knauf 12.5mm tapered edge Moisture Panel is a high-performance plasterboard which is for use in internal areas of high humidity. It has tapered edges to assist in jointing and skimming.
      • 1200 X 2400 X 12.5mm
      • Tapered Edge
      • Easy to use
      • Will not rot or warp
      • Coverage of 2.88m² per sheet
      • Best areas of use are kitchens, bathrooms and toilets
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      12.5mm Tapered Edge Knauf Moisture Panel Plasterboard TE - 1200mm x 2400mm

      £15.41 Save £-15.41
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      Knauf 12.5mm tapered edge Moisture Panel is a high-performance plasterboard which is for use in internal areas of high humidity. It has tapered edges to assist in jointing and skimming.
      • 1200 X 2400 X 12.5mm
      • Tapered Edge
      • Easy to use
      • Will not rot or warp
      • Coverage of 2.88m² per sheet
      • Best areas of use are kitchens, bathrooms and toilets

      12.5mm Tapered Edge Knauf Soundshield Plus Plasterboard - 100 Boards x 1200mm x 2400mm

      £1,440.67 Save £-1,440.67
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      100 boards of 12.5mm Knauf tapered edge plasterboard offers enhanced acoustic performance, as well as excellent fire resistance (offering up to 120 minutes of fire protection). Soundshield Plus has been specifically manufactured to create a calm and private space, making it suitable for bedrooms, meeting rooms and offices.
      • 1200 x 2400 x 12.5mm
      • Delivers up to 120 minutes of fire resistance
      • Quick, easy installation
      • Tapered corners, meaning it can be taped and jointed after installation
      • Blue face to which suitable gypsum plasters or decoration may be applied
      • High-density core
      • Can be cut using a plasterboard saw or by scoring with a sharp knife and snapping the board over a straight edge
      • Greater levels of sound insulation over standard products
      • In ceilings and partitions helps reduce passage of sound

      The boards feature special additives and incorporate a blue face lining to create a strong sound barrier. One of the biggest benefits of installing Knauf Soundshield is that it provides a basis for plaster and paint. As soon as this gypsum plasterboard is installed you can crack on with decorating.

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      2x1 Roofing Batten Treated Blue Sawn Timber 25x50mm (Sold per m)

      £2.75 Save £-2.75
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      Treated Sawn Roofing Batten 25 x 50mm is a high-quality roofing batten that has been fully graded to meet the performance requirements of BS 5534. If the specified lengths are not available from stock then we will provide the closest to the length required but ensure we supply the total meterage. If you have any specific requirements then please contact us.

      • Preservative treated to protect against rot and fungal attack.
      • FSC certified from well managed certified forests.
      • Graded to BS5534.
      • Sold per m.
      • Available sizes 2.4m to 4.8m.
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      25x38mm Roofing Batten Treated Blue Sawn Timber (Sold per m)

      £3.35 Save £-3.35
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      Treated Sawn Roofing Batten 25 x 38mm is a high-quality roofing batten that has been fully graded to meet the performance requirements of BS 5534. If the specified lengths are not available from stock then we will provide the closest to the length required but ensure we supply the total meterage. If you have any specific requirements then please contact us.

      • Preservative treated to protect against rot and fungal attack.
      • FSC certified from well managed certified forests.
      • Graded to BS5534.
      • Sold per m.
      • Available sizes 3.6m to 4.8m.
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      2x1 Roofing Batten Treated Sawn Timber 25x50mm

      £2.50 Save £-2.50
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      This 25mm x 50mm sawn timber batten is typically used for landscaping, fencing, gravel board, timber edging and general construction uses. This is a high pressure treated product increasing durability. Treated timber is generally for external use and is suitable for wet areas or areas where the timber will be coming into contact with the ground.
      • 25mm x 50mm.
      • Available sizes 3.6m to 4.8m.
      • Please contact us for further information on additional lengths.
      • High Pressure treated with Tanalith ‘E’ (or similar).
      • Responsibly sourced.
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      25x38mm Roofing Batten Treated Sawn Timber

      £1.91 Save £-1.91
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      This 25mm x 50mm sawn timber batten is typically used for roofing, landscaping, fencing, gravel board, timber edging and general construction uses. This is a high pressure treated product increasing durability. Treated timber is generally for external use and is suitable for wet areas or areas where the timber will be coming into contact with the ground.
      • 25mm x 38mm.
      • Available sizes 3.6m to 4.8m.
      • Please contact us for further information on additional lengths.
      • Responsibly sourced.
      • High Pressure treated with Tanalith ‘E’ (or similar).

      Alukap-XR 55mm Rafter Gasket (per metre)

      £3.64 Save £-3.64
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      The Alukap-XR 55mm Rubber Rafter Gasket gives a full rafter cover cushioning gasket and additional waterproofing seal protection. Ideally for 60mm and wider rafters or beams.

      Lengths can be ordered per meter as desired. This product is available per metre, so if you order a higher quantity it will come in a continuous length of the quantity you order. For example, if you order a quantity of 10 you will receive a 10 metre length.

      9mm OSB3 Structural Board 2440mm x 1200mm

      £16.00 Save £-16.00
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      9mm thick OSB 3 board 2440mm x 1200mm. A super versatile and cost effect particleboard which is often used as an alternative to softwood plywood as a precision-engineered easy to machine board for structural use, ideal for flooring, roof decking, and wall sheathing purposes.
      • Precision-engineered for structural use in load bearing and challenging conditions.
      • It performs well in humid conditions, making it ideal for house building and construction.
      • Utilises the whole log for optimum yield.
      • Responsibly sourced from managed resources.
      • Cut sheet size may vary slightly due to loss of blade width during cutting.

      11mm OSB3 Structural Board 2440mm x 1220mm

      £21.00 Save £-21.00
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      11mm thick OSB 3 board 2440mm x 1220mm. A super versatile and cost effect particleboard which is often used as an alternative to softwood plywood.
      • Precision-engineered for structural use in load bearing and challenging conditions.
      • It performs well in humid conditions, making it ideal for house building and construction.
      • Utilises the whole log for optimum yield.
      • Responsibly sourced from managed resources.
      • Cut sheet size may vary slightly due to loss of blade width during cutting.

      18mm OSB3 Tongue & Groove Flooring Board 2400mm x 625mm TG4

      £15.59 Save £-15.59
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      OSB3 Grade for structural use Tongued and grooved on all four sides - Ideal for flooring and roofing applications.

      • For structural use in accordance with EN13986.
      • Tongued and grooved on 4 edges.
      • Versatile panel which is easy to saw, drill, nail, plane and sand.
      • The panel is manufactured to EN300 and meets E1 low emissions regulations.

      18mm Chipboard T&G Moisture Resistant Flooring - 2400mm x 600mm

      £13.33 Save £-13.33
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      18mm thick high density structural moisture resistant floor panel, the ideal solution for all domestic and specific commercial flooring.
      • 18mm x 2400mm x 600mm.
      • Resistant to moisture and sound.
      • Conforms to EN 312 and EN 13986.
      • Durable.
      • Easy to install.
      • Conforms to the latest European low emission standards E1.

      12mm Structural Pine Plywood 75 Sheets x 2440mm x 1220mm

      £1,281.79 Save £-1,281.79
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      75 sheets of 12mm thick Brazilian Pine Coniferous Sheathing Plywood, an engineered wood product made up of layers of Brazilian pinewood. The plywood is bonded together using a E1 glue which is a low emission formaldehyde exterior quality glue. The plywood can be used in walls, floors, roofs, packing and other general applications.

      • 12mm x 2440mm x 1220mm.
      • 75 sheets.
      • Glue-line conforms to EN 314-2 Class 3 E1 and is suitable for use in exterior conditions subject to use with the correct edge sealant.
      • Sourced from well managed credibly certified forests.
      • Suitable for structural use in most moisture resistant and exterior applications.
      • Plantation grown pine softwood.

        Customer's review

        Excellent materials and services order quickly and delivered everything to fantastic quality. Can’t recommend enough!

        Ben

        Ordered everything we needed to finish off our loft and extension. Placing the order was quick and simply fast delivery, and the customer support team were brilliant,

        Sean

        Great company, very efficient service and communication. My query was answered promptly and goods were delivered in good condition and the quality was as described. Will use them again.

        Paul