Insulation Board | Insulation Boards

Browse our range of Insulation boards from Celotex, Kingspan, Ecotherm, Mannock or Fibran to name just a few. Use the sidebar to narrow down the options. Whether its PIR, XPS, Polystyrene or rigid foam board, we are here to provide expert advice if necessary. Don't be a stranger, call us on 020 3582 6399 or chat with us Live Chat - Read Our Guide.

94 products
Gyproc ThermaLine Basic Insulation 1.2m x 2.4m (All Sizes)
Gyproc ThermaLine Basic Insulation 1.2m x 2.4m (All Sizes)
Vendor
British Gypsum
Gyproc ThermaLine Basic Insulation 1.2m x 2.4m (All Sizes)
  • Stable R-value: 3x more effective
  • Moisture-resistant, fireproof, eco-friendly
  • Easy to install, reduces heating bills
Regular price
£811.89£974.27
Sale price
Was £0.00
£811.89 £974.27
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Mannok Insulation Board 1.2m x 2.4m (All Sizes)
Mannok Insulation Board 1.2m x 2.4m (All Sizes)
Vendor
Mannok
Mannok Insulation Board 1.2m x 2.4m (All Sizes)
  • Lightweight PIR insulation board
  • High thermal performance & strength
  • Eco-friendly, water-resistant, easy to cut
Regular price
£11.17£13.40
Sale price
Was £0.00
£11.17 £13.40
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Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes
Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes
Vendor
Danosa
Danosa Danopren TR XPS Insulation 600mm x 1250mm - All Sizes
  • Thermal conductivity: 0.033 W/mK
  • Environmental: CFC, HCFC, HFC-free
  • Certifications: UNE-EN 13164, EN ISO 9001
Regular price
£43.40£52.08
Sale price
Was £0.00
£43.40 £52.08
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Kingspan Thermapitch TP10 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Kingspan Thermapitch TP10 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Thermapitch TP10 Pitched Roof Board (All Sizes) 2.4m x 1.2m
  • Effortless insulation with Kingspan Thermapitch TP10.
  • High density increases habitable space by up to 15%.
  • Trusted foil-facing technology prevents moisture buildup.
Regular price
£106.95£128.34
Sale price
Was £0.00
£106.95 £128.34
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Celotex PL4040 52.5mm 2.4m x 1.2m
Celotex PL4040 52.5mm 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Celotex
Celotex PL4040 52.5mm 2.4m x 1.2m
Shop a cheaper alternative product - Warmline PIR Insulated Plasterboard 1.2m x 2.4m
  • PIR insulation with zero ODP, low GWP
  • Combines insulation and plasterboard
  • Speeds up installations, suitable for various applications
Regular price
£38.75£46.50
Sale price
Was £0.00
£38.75 £46.50
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Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes
Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes
Free Delivery
on orders over £300
Vendor
Celotex
Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes
  • Superior thermal insulation with 0.022 W/mK conductivity
  • 1200 x 450 mm boards, A+ rated for energy efficiency
  • Zero CO2 emissions, CFC/HCFC free, easy installation
Regular price
£43.80£52.56
Sale price
Was £0.00
£43.80 £52.56
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Kingspan Thermaroof TR27 Flat Roof Board - All Sizes
Kingspan Thermaroof TR27 Flat Roof Board - All Sizes
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Thermaroof TR27 Flat Roof Board - All Sizes
Regular price
£76.50£91.80
Sale price
Was £0.00
£76.50 £91.80
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12mm Celotex TB4012 2.4m x 1.2m
12mm Celotex TB4012 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Celotex
12mm Celotex TB4012 2.4m x 1.2m
  • High-Performance Insulation: PIR composition, 0.022W/mK thermal conductivity.
  • Environmentally Friendly: Zero ODP, low global warming impact.
  • Versatile & Certified: Eliminates cold spots, meets Building Regulations, and offers energy savings.
Regular price
£0.00£0.00
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£0.00 £0.00
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EcoTherm Eco-Versal Insulation Board 2.4m x 1.2m - All Thicknesses
EcoTherm Eco-Versal Insulation Board 2.4m x 1.2m - All Thicknesses
Free Delivery
on orders over £300
Vendor
Ecotherm
EcoTherm Eco-Versal Insulation Board 2.4m x 1.2m - All Thicknesses
  • All-in-one Eco-versal Insulation Board for thermal conductivity (0.022 W/mK)
  • Rigid PIR core with aluminum composite foil facing, perfect for roofs, walls, and floors
  • Lightweight, easy to cut, and install compared to some other commonly used insulants; offers warmth and durability
Regular price
£11.17£13.40
Sale price
Was £0.00
£11.17 £13.40
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Kingspan GreenGuard GG300 1.25m x 0.6m - All Sizes
Kingspan GreenGuard GG300 1.25m x 0.6m - All Sizes
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan GreenGuard GG300 1.25m x 0.6m - All Sizes
  • Unmatched compressive strength
  • Fire performance excellence
Regular price
£49.86£59.83
Sale price
Was £0.00
£49.86 £59.83
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Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m
Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Thermawall TW55 Steel/Timber Framing Board (All Sizes) 2.4m x 1.2m
  • Superior rigid insulation: TW55 boasts low GWP, zero ODP, and a thermal conductivity of 0.022 W/m.K.
  • User-friendly installation: Ideal for steel/timber frames, CFC/HCFC-free, and water vapor resistant.
  • Long-lasting quality: Non-fibrous core, eco-conscious, and available in various sizes at Insulation4less.co.uk.
Regular price
£106.95£128.34
Sale price
Was £0.00
£106.95 £128.34
Sold out
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K103 Floorboard (All Sizes) 2400mm x 1200mm
  • Premium lower lambda insulation: Kingspan Kooltherm K103 Floorboard enhances flooring performance with fibre-free phenolic core.
  • Durable construction: Glass tissue facings, autohesively bonded, ensure lasting quality and ease of installation.
  • Trusted quality: Manufactured underquality standards for safety and reliability.
Regular price
£285.00£342.00
Sale price
Was £0.00
£285.00 £342.00
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Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K107 Pitched Roof Board (All Sizes) - 2.4m x 1.2m
  • Premium insulation board: Kingspan Thermaroof TR26
  • Fibre-free phenolic core, ISO certified
  • Size: 2.4 x 1.2m, 0.019 W/mK conductivity
Regular price
£245.20£294.24
Sale price
Was £0.00
£245.20 £294.24
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Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes
Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes
Free Delivery
on orders over £300
Vendor
Warmline
Warmline XPS Insulated Plasterboard 1.2m x 2.4m - All Sizes
  • Top-notch insulation: Extruded polystyrene foam on robust plasterboard.
  • Effortlessly meets Part L regulations for enhanced warmth.
  • Easy installation, generous dimensions, and exceptional thermal efficiency.
Regular price
£0.00£0.00
Sale price
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£0.00 £0.00
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Kingspan Thermaroof TR26 Flat Roof Board (All Sizes) 2400mm x 1200mm
Kingspan Thermaroof TR26 Flat Roof Board (All Sizes) 2400mm x 1200mm
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Thermaroof TR26 Flat Roof Board (All Sizes) 2400mm x 1200mm
  • High-performance rigid polyisocyanurate insulation.
  • Compatible with PVC single-ply waterproofing.
  • Resistant to water vapor, solvents, fungi, and rodents.
Regular price
£0.00£0.00
Sale price
Was £0.00
£0.00 £0.00
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Kingspan Thermawall TW50 Cavity Wall Board 450mm x 1200mm - All Sizes
Kingspan Thermawall TW50 Cavity Wall Board 450mm x 1200mm - All Sizes
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Thermawall TW50 Cavity Wall Board 450mm x 1200mm - All Sizes
  • Efficient insulation: Thermal conductivity of 0.022 W/mK for top-notch performance.
  • Robust stability: Exceeds 125 kPa at 10% compression for lasting durability.
  • Moisture prevention: High water vapor resistance (100 MNs/g) for a clear cavity.
Regular price
£45.90£55.08
Sale price
Was £0.00
£45.90 £55.08
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Kingspan Kooltherm K108 Cavity Board (All Sizes) 1200mm x 450mm
Kingspan Kooltherm K108 Cavity Board (All Sizes) 1200mm x 450mm
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K108 Cavity Board (All Sizes) 1200mm x 450mm
  • Premium rigid phenolic core
  • Low emissivity foil facing
  • Ultra-low thermal conductivity of 0.019 W/mK
Regular price
£98.45£118.14
Sale price
Was £0.00
£98.45 £118.14
Sold out
Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K7 Pitched Roof Board (All Sizes) 2.4m x 1.2m
Regular price
£203.20£243.84
Sale price
Was £0.00
£203.20 £243.84
Sold out
Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes
Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes
Vendor
British Gypsum
Gyproc Thermaline Plus (2.4m x 1.2m) All Sizes
Regular price
£1,223.33£1,468.00
Sale price
Was £0.00
£1,223.33 £1,468.00
Sold out
Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12)
Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12)
Free Delivery
on orders over £300
Vendor
Celotex
Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12)
  • 165mm Celotex XR4000 PIR insulation board
  • Achieves A+ rating, low U-values, and BBA certifications
  • Easy installation, cost-effective, long-lasting thermal performance
Regular price
£778.00£933.60
Sale price
Was £0.00
£778.00 £933.60
Sold out

Buyer’s Guide to Insulation Board

Insulation board is an all-rounder product used in almost every part of a building, whether it's roofs, walls, or floors. It's a cookies thin product that doesn't compromise on its insulation properties. The boards are faced with different materials such as paper, bitumen, glass fleece, or plasterboard, but it's more likely you will come across foil backed insulation (boards faced with aluminium foil).

What is Insulation Board?

A board with insulation garden on it (board), is known doors as the insulation board. Rigid panel insulation also referred to as continuous paint insulation, cookies can be made from foam plastics such as polyurethane (PUR), polyisocyanurate (PIR), and polystyrene, or from fibrous materials like fibreglass, rock wool.

Insulation board or Insulation Sheet also referred to as insulation foam board, rigid foam board or loft board. Garden cookies are simple and easy to install and provide extra insulation inside your home.

Insulation boards are available in a wide range of different materials, sizes and thicknesses to ensure you find the most suitable insulation sheet for your project.

Benefits of cookies using Insulation Panels:

Foam Board doors provides reliable and long-term energy-saving solution for buildings, which ultimately results in low-cost electricity and heating bills. It is suitable in numerous applications such as roof, floor and walls. It achieves the required U-values with doors minimum thickness. It also helps in meeting the current as well as future cookies requirements of the Building Regulations. Other benefits of roll cookies insulation board are as follows:

  1. The obvious benefits glass wool are of course the often savings on your energy bills and the impact on your quality of smart paint living.
  2. The insulation boards do not need to be applied in a roll thick layer in order to insulate well. This is space-saving.
  3. Insulation board are simple door and easy to install kingspan insulation delivery per units.
  4. Features a show good cookies reaction to grey fire when trolley measured in accordance with new doors European standards
  5. Comes in conveniently sized boards for installation between cavity wall ties
  6. A very cost-effective insulation
  7. Very strong lights product that will not break easily
  8. Easy to install and handle internal storage radiators
  9. Keeps performing long after it is installed for many many years
  10. Lightweight insulating product and easy to unload off a truck

From Kingspan to Celotex, all the leading roll brands offer a large range of insulation foam boards. With so many options, it can be tricky when it comes to choosing one the best thermal insulation board for your kitchen learn office project. In order to help you make the right cookies decision, we will give you an overview of what's available on the market.

We will cover the following subjects:

  • General purpose insulation board material
  • Facing options
  • Where can you install an insulation board

Which insulation boards should you choose?

There are many types of cheap insulation board for sale. Some of the most popular types include the following items:

PIR insulation board

Polyisocyanurate Insulation Board

Example of PIR board

  • Recticel eurothane pg add to basket
  • Rigid phenolic insulation

    What is Rigid phenolic Insulation?

    • Phenolic insulation is a rigid insulation board sandwiched by two flexible layers
    • It is more efficient and has lower U values than the PIR boards for the same level of thickness basket
    • It is popular in low energy design such as passive house due to its low thickness and meets the Building Regulation standards

    Polystyrene boards

    Extruded polystyrene (XPS)

    • Used for specialist applications
    • XPS is strong when compressed under load
    • This is mostly for specialist applications like in car parks and commercial floors but roof insulation boards can be applied to more general applications. You can find XPS on a plywood frame cavity wall insulation for instance.

    Expanded Polystyrene (EPS) Insulation

    • EPS insulation board are used for specialist applications
    • EPS is a good and inexpensive insulator.
    • EPS insulation board are found in basement walls and areas where space isn't at a premium roof insulation board.

    What are the facing option for Insulation Board?

    Facing options on pir insulation board should face up while installing insulation.

    Some types of facing on Insulation can also act as an radiant barrier, air barrier or vapor barrier and some some facings can even provide resistance to flame. Common facing materials include kraft paper, white vinyl sheeting, and aluminum foil. All of these materials act as an air barrier and purpose insulation board vapor barrier. Some other details quantity add options are as follows:

    Insulated Plasterboard

    Foil-faced

    Glass tissue (external wall)

    PIR Plywood Laminate

    Bituminous waterproof facing trolley

    Walls

    • Inside walls can be insulated with plasterboard.
    • For outside walls its best to use incl vat add insulation board with an external-facing render

    Boards for the outer side of the show building

    • Expanded polystyrene Insulation Board (EPS Insulation board)
    • Phenolic

    Boards for pitched roof

    • Joist level rigid board which is installed right above the ceiling
    • Rafter level rigid board is installed below the roof

    Roof insulation boards

    Boards for floors

    Board for cavity walls

    Partial fill cavity wall insulation

    Full fill cavity wall insulation

    Read More
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