PIR Insulation 100mm | PIR Insulation board | Insulation

At Insulation4less, we sell a wide range of pir insulation 100mm products to suit your needs. We offer products from a variety of manufacturers, giving you plenty of options to choose from. We pride ourselves on providing high quality products at affordable prices, and our team is always on hand to offer expert advice. We also offer free delivery on all eligible orders, so you can be sure you are getting great value for money. If you're looking for pir insulation 100mm, then Insulation4less is the perfect place to shop.
28 products
Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes)
Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes)
Free Delivery
on orders over £300
Vendor
Celotex
Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes)
  • Versatile Celotex GA4000 insulation boards for floors, walls, and roofs.
  • Low emissivity foil face enhances thermal performance.
  • Environmentally friendly, durable, lightweight, and easy to install with class 1 fire rating.
Regular price
£11.40£13.68
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£11.40 £13.68
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Celotex 50mm GA4050 2.4m x 1.2m
Celotex 50mm GA4050 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Celotex
Celotex 50mm GA4050 2.4m x 1.2m
Regular price
£17.30£20.76
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Was £0.00 Ex.Vat
£17.30 £20.76
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Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex
Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex
Free Delivery
on orders over £300
Vendor
Celotex
Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex
Regular price
£29.25£35.10
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£29.25 £35.10
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Recticel Eurothane GP (2.4m x 1.2m) All Sizes
Recticel Eurothane GP (2.4m x 1.2m) All Sizes
Free Delivery
on orders over £300
Vendor
Recticel
Recticel Eurothane GP (2.4m x 1.2m) All Sizes
  • Eurothane® GP is a high performance, lightweight PIR insulation board, easy to cut, handle, and install for various applications like floors, pitched roofs, internal walls, ceilings, and lofts.
  • It is highly favored by contractors and installers for its excellent thermal performance with a λ value of 0.022 W/mK.
  • The product ensures a quick and easy installation process, making it an ideal insulation solution.
Regular price
£11.40£13.68
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£11.40 £13.68
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Kingspan Thermafloor TF70 Floor Board (All Sizes) 2.4m x 1.2m
Kingspan Thermafloor TF70 Floor Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Thermafloor TF70 Floor Board (All Sizes) 2.4m x 1.2m
  • Maximize Energy Efficiency: Thermal conductivity of 0.022 W/mK for reduced heat loss and lower bills.
  • Compatibility with Underfloor Heating: Seamless integration for comfort and luxury without compromise.
  • Cost Savings & Versatility: Lightweight, easy installation, and suitable for various floor types.
Regular price
£106.87£128.24
Sale price
Was £0.00
Was £0.00 Ex.Vat
£106.87 £128.24
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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
£11.40£13.68
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£11.40 £13.68
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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
£106.87£128.24
Sale price
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£106.87 £128.24
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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
Was £0.00 Ex.Vat
£76.50 £91.80
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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
£43.95£52.74
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£43.95 £52.74
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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
£106.87£128.24
Sale price
Was £0.00
Was £0.00 Ex.Vat
£106.87 £128.24
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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
£11.40£13.68
Sale price
Was £0.00
Was £0.00 Ex.Vat
£11.40 £13.68
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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
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£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
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£45.90 £55.08
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Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
Free Delivery
on orders over £300
Vendor
Warmline
Warmline PIR Insulated Plasterboard 1.2m x 2.4m - All Sizes
  • ✅ Achieves The Same U-Value As Celotex PL4000
  • ✅ Thermal Conductivity Of 0.022
  • ✅ Built-In Vapour Barrier
Regular price
£32.52£39.02
Sale price
Was £0.00
Was £0.00 Ex.Vat
£32.52 £39.02
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Unilin Thin-R 2.4m x 1.2m (All Sizes)
Unilin Thin-R 2.4m x 1.2m (All Sizes)
Vendor
Unilin
Unilin Thin-R 2.4m x 1.2m (All Sizes)
Regular price
£11.40£13.68
Sale price
Was £0.00
Was £0.00 Ex.Vat
£11.40 £13.68
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Celotex CW4100 100mm x 1.2m x 0.45m - 3.24m2
Celotex CW4100 100mm x 1.2m x 0.45m - 3.24m2
Free Delivery
on orders over £300
Vendor
Celotex
Celotex CW4100 100mm x 1.2m x 0.45m - 3.24m2
Regular price
£44.80£53.76
Sale price
Was £0.00
Was £0.00 Ex.Vat
£44.80 £53.76
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Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 2.4m x 1.2m
Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 2.4m x 1.2m
Free Delivery
on orders over £300
Vendor
Kingspan
Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 2.4m x 1.2m
Regular price
£0.00£0.00
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£0.00 £0.00
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Thermaroof TR24 (All Sizes) 1200mm x 600mm
Thermaroof TR24 (All Sizes) 1200mm x 600mm
Free Delivery
on orders over £300
Vendor
Kingspan
Thermaroof TR24 (All Sizes) 1200mm x 600mm
Regular price
£0.00£0.00
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£0.00 £0.00
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Recticel Eurowall Cavity Insulation Boards - 1.2m x 0.45m (All Sizes)
Recticel Eurowall Cavity Insulation Boards - 1.2m x 0.45m (All Sizes)
Free Delivery
on orders over £300
Vendor
Recticel
Recticel Eurowall Cavity Insulation Boards - 1.2m x 0.45m (All Sizes)
  • Eurowall® Cavity is a high-performance solution for cavity walls, designed with precision-cut edges to minimize gaps between boards.
  • It features a low emissivity facing for improved thermal resistance within the cavity, with a thermal performance of λ = 0.022 W/mK.
  • It is durable and has limited moisture absorption, making it an ideal choice for cavity walls.
Regular price
£0.00£0.00
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£0.00 £0.00
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PowerDeck U (1.2m x 0.6m) All Sizes
PowerDeck U (1.2m x 0.6m) All Sizes
Free Delivery
on orders over £300
Vendor
Recticel
PowerDeck U (1.2m x 0.6m) All Sizes
  • Powerdeck® U is a high performance, rigid PIR insulation board designed for warm flat roofs with bituminous torch-on felt waterproofing systems.
  • It offers optimum stability, strength, and structural integrity for a flat finish and is light and easy to install, making the process quicker, easier, and more cost-effective.
  • It provides excellent thermal performance with a λ value of 0.024 - 0.026 W/mK.
Regular price
£0.00£0.00
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£0.00 £0.00
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Eco Cavity 0.45m x 1.2m - All Thicknesses
Eco Cavity 0.45m x 1.2m - All Thicknesses
Free Delivery
on orders over £300
Vendor
Ecotherm
Eco Cavity 0.45m x 1.2m - All Thicknesses
  • Eco-Cavity is a partial fill cavity wall insulation designed for masonry walls, enhancing thermal efficiency with a thermal conductivity of 0.022 W/mK while preventing moisture penetration through a maintained air gap.
  • Lightweight and easy to install, it features a high-performance rigid polyisocyanurate (PIR) core and aluminium composite foil facing on both sides for improved durability and moisture resistance.
  • Suitable for a variety of applications, it has a Euroclass F fire rating and a compressive strength of 140 kPa, making it a versatile choice for improving building energy efficiency and protection against the elements.
Regular price
£40.19£48.23
Sale price
Was £0.00
Was £0.00 Ex.Vat
£40.19 £48.23
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Ballytherm Cavity 0.45m x 1.2m - All Sizes
Ballytherm Cavity 0.45m x 1.2m - All Sizes
Vendor
Ballytherm
Ballytherm Cavity 0.45m x 1.2m - All Sizes
Regular price
£58.06£69.67
Sale price
Was £0.00
Was £0.00 Ex.Vat
£58.06 £69.67
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Ballytherm 2.4m x 1.2m - All Sizes
Ballytherm 2.4m x 1.2m - All Sizes
Vendor
Ballytherm
Ballytherm 2.4m x 1.2m - All Sizes

We're sorry to inform you that we no longer supply the Ballytherm 2.4m x 1.2m insulation product. However, we have several other high quality alternatives to meet your insulation needs.

Thank you for choosing Insulation4Less for your insulation needs. If you have any questions or need further assistance, feel free to contact our customer support team.

Regular price
£16.20£19.44
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Was £0.00
Was £0.00 Ex.Vat
£16.20 £19.44
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Mannok Cavity Board - All Sizes
Mannok Cavity Board - All Sizes
Vendor
Mannok
Mannok Cavity Board - All Sizes
Regular price
£49.00£58.80
Sale price
Was £0.00
Was £0.00 Ex.Vat
£49.00 £58.80
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Safe-R 2.4m x 1.2m (All Sizes)
Safe-R 2.4m x 1.2m (All Sizes)
Vendor
Unilin
Safe-R 2.4m x 1.2m (All Sizes)
Regular price
£0.00£0.00
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Was £0.00 Ex.Vat
£0.00 £0.00
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Recticel Eurothane Eurodeck 2.4m x 1.2m - All Sizes
Recticel Eurothane Eurodeck 2.4m x 1.2m - All Sizes
Free Delivery
on orders over £300
Vendor
Recticel
Recticel Eurothane Eurodeck 2.4m x 1.2m - All Sizes
  • Eurothane® Eurodeck is a thermal insulation board designed for use in warm flat roofs under mechanically fixed single-ply membrane waterproofing systems.
  • It offers high compressive strength, excellent dimensional stability, and compatibility with numerous waterproofing systems.
  • The board is faced on both sides with a multi-layer coated aluminum foil, ensuring optimum performance in both new build and refurbishment projects.
Regular price
£0.00£0.00
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£0.00 £0.00
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Celotex Crown-Up Flat Roof PIR Insulation - All Sizes
Celotex Crown-Up Flat Roof PIR Insulation - All Sizes
Free Delivery
on orders over £300
Vendor
Celotex
Celotex Crown-Up Flat Roof PIR Insulation - All Sizes
Regular price
£613.35£736.02
Sale price
Was £0.00
Was £0.00 Ex.Vat
£613.35 £736.02
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Celotex Crown-Fix Flat Roof PIR Insulation 2.7m x 25m - All Sizes
Celotex Crown-Fix Flat Roof PIR Insulation 2.7m x 25m - All Sizes
Free Delivery
on orders over £300
Vendor
Celotex
Celotex Crown-Fix Flat Roof PIR Insulation 2.7m x 25m - All Sizes
Regular price
£857.06£1,028.47
Sale price
Was £0.00
Was £0.00 Ex.Vat
£857.06 £1,028.47
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Are you in need of high-quality PIR insulation boards for your home or business? Look no further than Insulation4less.co.uk, your one-stop shop for all things insulation. We offer a wide range of PIR insulation boards, including 100mm thickness options, suitable for a variety of applications.

 

PIR insulation boards are made from mineral wool insulation, making them a popular choice for general application insulation. They are designed to fill insulation boards to create a full fill insulation solution that can help improve the energy efficiency of a building. Our 100mm PIR insulation boards are no exception, providing excellent thermal performance and soundproofing capabilities.

 

Achieving Full Fill Insulation with 100mm PIR Insulation Boards

 

At Insulation4less.co.uk, we offer PIR insulation boards from top brands such as Celotex. Known for their high-quality insulation solutions, Celotex insulation boards are a reliable choice for your insulation needs. Our 100mm PIR Celotex insulation boards are easy to install and can be used for wall insulation, underlay, and even as a soundproofing solution for doors.

 

Expert Review: Our 100mm PIR Insulation Board

 

We understand that making a purchase decision can be tough, which is why we encourage our customers to read reviews from other customers who have used our products. With over 50 5-star reviews, our 100mm PIR insulation boards have received rave reviews from satisfied customers. Doncaster Drywall Solutions even shared that they "used these [boards] a couple of months ago and [are] very happy with the result."

 

At Insulation4less.co.uk, we strive to provide our customers with the best shopping experience possible. That's why we offer a variety of viewing options, including 360-degree views, to help you make an informed decision. Our customer service team is also available to answer any questions you may have about our products and help you find the right solution for your needs.

 

The Benefits of Using 100mm PIR Insulation Boards for Underlay

 

In addition to insulation boards, we also offer a range of accessories and tools to help with installation. From PIR adhesive and tape to cutting tools, we have everything you need to install your insulation boards quickly and easily. Plus, with our competitive prices and VAT - inclusive pricing, you can trust that you're getting the best value for your money at Insulation4less.co.uk.

 

 

In conclusion, if you're in need of 100mm PIR insulation boards for your home or business, look no further than Insulation4less.co.uk. With a wide range of products, viewing options, and accessories available, we are your go-to source for high-quality PIR insulation solutions. Plus, with our competitive prices and excellent customer service, you can trust that you're getting the best value and support for your insulation needs. Shop now and see the difference our products can make in your home or business.

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