Insulation

A quarter of the heat can be lost if you do not insulate your roof. Insulating your roof can help to reduce energy bills and keep warmth in. Choosing the right insulation for your commercial or residential roof is vital due to government regulations. Our experienced staff can assist with helping you choose the right insulation for your pitched roof, flat roof, attic or loft.

  • Insulation

    Celotex PL4000

    Celotex PL4000 is an easy to install polyisocyanurate (PIR) insulation board with a paper facing, laminated to a piece of 12.5mm tapered edge plasterboard. Available in thicknesses from 25mm to 65mm (insulation only),  it can be considered for use in roof and internal wall lining applications.

    Product Specification

    Thickness (mm)* Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)#
    37.5 2400 1200 0.022 1.20
    52.5 2400 1200 0.022 1.85
    62.5 2400 1200 0.022 2.30
    72.5 2400 1200 0.022 2.75
    77.5 2400 1200 0.022 3.00
    * Thickness includes 12.5mm plasterboard

    Product Features

    • Standard 1200 x 2400mm boards
    • Paper facing
    • BBA approved – certificate 16/5357 (Plasterboard Thermal Laminate)
  • Insulation

    Celotex XR4000

    Celotex XR4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 110mm to 200mm, it can be considered for roof, wall and floor applications.

    Product Specification

    Thickness (mm) Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)
    110 2400 1200 0.022 5.00
    120 2400 1200 0.022 5.45
    130 2400 1200 0.022 5.90
    140 2400 1200 0.022 6.35
    150 2400 1200 0.022 6.80
    165 2400 1200 0.022 7.50
    200 2400 1200 0.022 9.05

    Product Features

    • Lightweight 2400 x 1200mm boards
    • Low emissivity foil facing
    • BBA certified – certificate 17/5405 (Pitched Roof, Dry Lining, Floor Insulation)
  • Insulation

    Celotex GA4000

    Celotex GA4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 50mm to 100mm, it can be considered for roof, wall and floor applications.

    Product Specification

    Thickness (mm) Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)
    50 2400 1200 0.022 2.25
    60 2400 1200 0.022 2.70
    70 2400 1200 0.022 3.15
    75 2400 1200 0.022 3.40
    80 2400 1200 0.022 3.60
    90 2400 1200 0.022 4.05
    100 2400 1200 0.022 4.50

    Product Features

    • Lightweight 2400 x 1200mm boards
    • Low emissivity foil facing
    • BBA certified – certificate 17/5405 (Pitched Roof, Dry Lining, Floor Insulation)
  • Insulation

    Celotex PL4000

    Celotex PL4000 is an easy to install polyisocyanurate (PIR) insulation board with a paper facing, laminated to a piece of 12.5mm tapered edge plasterboard. Available in thicknesses from 25mm to 65mm (insulation only),  it can be considered for use in roof and internal wall lining applications.

    Product Specification

    Thickness (mm)* Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)#
    37.5 2400 1200 0.022 1.20
    52.5 2400 1200 0.022 1.85
    62.5 2400 1200 0.022 2.30
    72.5 2400 1200 0.022 2.75
    77.5 2400 1200 0.022 3.00

    Product Features

    • Standard 1200 x 2400mm boards
    • Paper facing
    • BBA approved – certificate 16/5357 (Plasterboard Thermal Laminate)
  • Insulation

    Celotex XR4000

    Celotex XR4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 110mm to 200mm, it can be considered for roof, wall and floor applications.

    Product Specification

    Thickness (mm) Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)
    110 2400 1200 0.022 5.00
    120 2400 1200 0.022 5.45
    130 2400 1200 0.022 5.90
    140 2400 1200 0.022 6.35
    150 2400 1200 0.022 6.80
    165 2400 1200 0.022 7.50
    200 2400 1200 0.022 9.05

    Product Features

    • Lightweight 2400 x 1200mm boards
    • Low emissivity foil facing
    • BBA certified – certificate 17/5405 (Pitched Roof, Dry Lining, Floor Insulation)
  • Insulation

    Celotex TB4000

    Celotex TB4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 20mm to 40mm, it can be considered for floor, wall and roof applications.
    Thickness (mm) Length (mm) Width (mm) Lambda Value (W/m.K) R-Value (m².K/W)
    20 2400 1200 0.022 0.90
    25 2400 1200 0.022 1.10
    30 2400 1200 0.022 1.35
    35 2400 1200 0.022 1.55
    40 2400 1200 0.022 1.80

    Product Features

    • Lightweight 2400 x 1200mm boards
    • Low emissivity foil facing
    • BBA certified – certificate 17/5405 (Pitched Roof, Dry Lining, Floor Insulation)
  • Insulation

    Thermataper TT47

    Thermataper TT47 is a high performance tapered insulation. It is designed to enhance water drainage for flat roofs waterproofed with fully adhered single-ply, partially bonded built-up felt, mastic asphalt, and cold liquid applied waterproofing. Thermataper TT47 comes with a supporting design service. This ensures that the most cost-effective solution for a roof is identified and that the end result is a tapered system design that meets the roof’s rainwater run-off and insulation requirements.

    Product Highlights

    • Available as a Thermataper TT47-K System with a premium performance Kooltherm packer board, providing a slimmer solution
    • Available as a Thermataper TT47-O System with an optimum performance OPTIM-R packer board, giving the thinnest solution
    • Pre-bonded tapered boards (TT47PB) are available to reduce installation time. Contact our roofing team
    • Insulation and drainage in one – a practical alternative to screeding, structural falls or firrings
    • Supported by a bespoke design service
  • Insulation

    Thermataper TT46

    Thermataper TT46 is a high performance tapered insulation system, providing insulation and drainage in one. It is designed to enhance water drainage for flat roofs waterproofed with mechanically fixed single-ply waterproofing. Thermataper TT46 comes with a supporting design service. This ensures that the most cost-effective solution for a flat roof is identified and that the end result is a tapered system design that meets the roof’s rainwater run-off and insulation requirements.

    Product Highlights

    • Insulation and drainage in one – a practical alternative to screeding, structural falls or firrings
    • Supported by a bespoke design service
    • Suitable for use with most mechanically fixed single-ply waterproofing systems
    • Compatible with most green roof systems
    • Load bearing implications for an existing structure can be minimal
  • Insulation

    Thermataper TT44

    As a high performance tapered insulation system, Thermataper TT44 provides insulation and drainage in one. It is designed to enhance water drainage for flat roofs waterproofed with partially bonded torch applied waterproofing. Thermataper TT44 comes with a supporting design service. This ensures that the most cost-effective solution for a flat roof is identified and that the end result is a tapered system design that meets the roof’s rainwater run-off and insulation requirements.

    Product Highlights

    • Available as a Thermataper TT44-K System with a premium performance Kooltherm packer board, providing a slimmer system
    • Insulation and drainage in one – a practical alternative to screeding, structural falls or firrings
    • Supported by a bespoke design service
    • Compatible with majority of torch applied waterproofing and green roof systems
    • Load bearing implications for an existing structure can be minimal
  • Insulation

    Thermaroof TR27

    Thermaroof TR27 is a high performance flat roof insulation for use on roofs waterproofed with fully adhered single-ply, partially bonded built-up felt, mastic asphalt or cold liquid applied waterproofing. Compatible with most green roof systems, Thermaroof TR27 is easy to handle and install and ideal for both new build and refurbishment projects.

    Product Highlights

    • Amongst the more thermally efficient insulation products for flat roofs
    • Fully compatible with single-ply non-bituminous membranes that are fully bonded with solvent-based adhesive systems
    • Fully compatible with most bitumen based and mastic asphalt waterproofing systems
    • Compatible with most green roof systems
  • Insulation

    Thermaroof TR26

    Thermaroof TR26 is a high performance PIR insulation board for flat roofs, offering a thermal conductivity of 0.022 W/mK. It is fully compatible with most mechanically fixed single-ply waterproofing systems and green roof systems. Suitable for both new build and refurbishment projects, Thermaroof TR26 is easy to handle and install. Its installation technique makes it an ideal flat roof insulation solution for fast track building programmes.

    Product Highlights

    • Amongst the more thermally efficient insulation products for flat roofs
    • Suitable for use with most mechanically fixed single-ply waterproofing systems
    • Compatible with most green roof systems
    • Installation technique is suitable for fast track building programmes
  • Insulation

    Thermaroof TR24

    Thermaroof TR24 is a high performance PIR insulation board for flat roofs, offering a thermal conductivity of 0.024 - 0.027 W/mK. It is compatible with the majority of torch applied waterproofing systems. Suitable for both new build and refurbishment projects, Thermaroof TR24 is easy to handle and install.

    Product Highlights

    • Amongst the more thermally efficient insulation products for flat roofs
    • Compatible with the majority of torch applied waterproofing systems
    • Also available as a tapered insulation system, to create the fall in the roof
    • Easy to handle and install
    • Pre-bonded boards (TR24PB) are available to reduce installation time.  Contact our roofing team for further information
  • Insulation

    Thermapitch TP10

    Thermapitch TP10 is a high performance pitched roof insulation board, suitable for use in tiled or slated pitched roofs. Thermapitch TP10 is suitable for both new build and retrofit projects. The insulation boards are available in a range of thicknesses and are easy to cut and handle, ensuring an efficient installation process.

    Product Highlights

    • Amongst the most thermally efficient commonly used insulation products for pitched roofs / attic spaces
    • Suitable for creating a useable attic space or attic renovation projects
    • Reduces heat loss through the roof and which can help save on energy costs
    • Not susceptible to sagging over time
    • Robust Details for Part E of the Building Regulations (England & Wales)
  • Insulation

    OPTIM-R E Inverted Roofing System

    The OPTIM-R E Inverted Roofing System is perfect for projects that require the lowest U-value or the thinnest roof build-up. It is ideal for where there is little space for installing new roof insulation. OPTIM-R E is encapsulated in a coating for increased robustness and easier handling on-site. The vacuum insulation panels are accompanied by rigid extruded polystyrene insulation infill panels which can be cut to fit around problem areas such as roof lights or ventilator kerbs.

    Product Highlights

    • Next generation insulation with a superior level of thermal efficiency
    • Ideal for constructions where a lack of construction depth or space is an issue
    • Protective coating for increased robustness and easier handling
  • Insulation

    Kingspan GreenGuard GG700

    Kingspan GreenGuard GG700 is a rigid extruded polystyrene (XPS) insulation. XPS has the necessary compressive strength to make it the product of choice for specialist applications such as car park decks and heavy-duty commercial, industrial and cold store flooring.

    Product Highlights

    • Ideal for specialist applications, including car park decks and heavy-duty flooring
    • Rigid extruded polystyrene insulation – thermal conductivities as low as 0.035 W/mK
    • High compressive strength withstands vehicle loads
    • Resistant to ground moisture penetration
    • Easy to handle and install
  • Insulation

    Kingspan GreenGuard GG500

    Kingspan GreenGuard GG500 is a rigid extruded polystyrene (XPS) insulation. XPS has the necessary compressive strength to make it the product of choice for specialist applications such as inverted roofs, basements, car park decks and heavy-duty commercial, industrial and cold store flooring.

    Product Highlights

    • Ideal for specialist applications, including inverted roofs, basements, car park decks and heavy-duty flooring
    • Rigid extruded polystyrene insulation – thermal conductivities as low as 0.034 W/mK
    • High compressive strength withstands vehicle loads
    • Minimal water absorption and resistant to ground moisture penetration
    • Withstands freeze / thaw cycling