Mannok insulation board

Jablite

The Jablite Polystyrene Insulation board (L)2.4m (W)1.2m (T)25mm is a lightweight and versatile insulation solution suitable for floors, walls, and roofs in both residential and commercial projects. Manufactured from expanded polystyrene, this insulation board delivers effective thermal performance while being easy to handle and install. Its moisture resistance and durability make it ideal for use in areas prone to dampness or fluctuations in temperature. The Jablite insulation board can be cut to size on-site, offering flexibility for various construction requirements and helping improve energy efficiency throughout the building.

- Lightweight expanded polystyrene insulation for ease of installation
- Suitable for floors, walls, and roofing applications
- Provides reliable thermal insulation performance
- Moisture resistant for use in damp environments
- Durable construction with long-lasting performance benefits
- Easy to cut and customise on-site as needed

Find the Jablite Polystyrene Insulation Board on BuildBuddy. Lightweight, moisture resistant, easy to install—perfect insulation for your next project.

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Jablite Polystyrene Insulation board (L)2.4m (W)1.2m (T)25mm

trade-point.co.uk

diy.com

Jablite Polystyrene 25mm Insulation board (L)2.4m (W)1.2m

materialsmarket.com

25mm EPS100 Polystyrene Insulation Board 2400mm x 1200mm

Celotex

The 120mm Celotex XR4120 PIR Insulation Board 2400mm x 1200mm is a high-performance product renowned for its superior thermal efficiency. With excellent dimensional stability and compressive strength, this insulation board is known for its durability and longevity. Its made from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP). The insulation boards size makes it ideal for large-scale insulation projects, and its easy to install, reducing labour time and costs.

- High thermal performance with a thickness of 120mm
- Made with PIR for enhanced durability
- Features zero ODP and low GWP blowing agents
- Offers superior compressive strength and dimensional stability 
- Large-sized board, ideal for large scale projects 
- Easy to install, saving on labour time and costs

Explore the efficient 120mm Celotex XR4120 Insulation Board on BuildBuddy. Known for its high thermal performance, durability, and ease of installation.

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120mm Celotex XR4120 PIR Insulation Board 2400mm x 1200mm

travisperkins.co.uk

120mm x 2400mm x 1200mm Celotex PIR Insulation Board XR4000

insulationsuperstore.co.uk

Celotex XR4120 General Purpose PIR Insulation Board - 2400 X 1200 X 120mm

Siniat

The Thermal PIR Board Tapered Edge 2400x1200x50.5mm is a high-quality insulation board designed to provide excellent thermal resistance in walls, floors, and roofs. The product is manufactured with precision to fit perfectly within your building framework and comes with tapered edges for easy jointing and smooth finishes. This PIR board is a robust solution for your insulation needs, offering superior performance compared to traditional insulation materials. It is lightweight, easy to handle, and can be cut to size easily, making it an ideal choice for construction projects of all sizes.

- High thermal resistance ensures excellent insulation.
- Tapered edge design allows for seamless jointing.
- Lightweight for ease of handling and installation.
- Easy to cut to size, providing flexibility during construction.
- Robust material for long-lasting durability.
- Suitable for use in walls, roofs, and floors.

Discover Thermal PIR Board Tapered Edge 2400x1200x50.5mm on BuildBuddy—superior insulation and easy installation.

Thermal PIR Board 50.5mm Tapered Edge 2400x1200 | BuildBuddy

Thermal PIR Board Tapered Edge 2400x1200x50.5mm

howarth-timber.co.uk

Siniat GTEC Thermal PIR Board Tapered Edge 2400 x 1200 x 50.5mm

buildbase.co.uk

Siniat Thermal Pir Board 2400 x 1200 x 52.5mm Tapered Edge

Kingspan

The 50mm Kingspan Kooltherm K108 Cavity Insulation Board is a high-performance insulation solution designed for use in cavity wall applications. Measuring 1200mm x 450mm and providing a total coverage of 5.4m2 per pack, this rigid phenolic insulation board offers excellent thermal efficiency while maintaining a slim profile. The Kooltherm K108 board is lightweight, easy to handle, and suitable for both new builds and refurbishment projects. Its closed-cell structure delivers outstanding moisture resistance, helping to improve building energy performance and reduce heat loss through external walls.

- Advanced phenolic insulation for superior thermal efficiency
- Suitable for cavity wall applications in new or existing buildings
- Compact 50mm thickness maximises usable internal space
- Closed-cell structure resists moisture absorption effectively
- Lightweight design enables easy handling and quick installation
- Each pack covers a total area of 5.4 square metres

Shop Kingspan Kooltherm K108 Cavity Insulation Board at BuildBuddy. Superior thermal efficiency, moisture resistance, and easy installation for cavity walls.

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50mm Kingspan Kooltherm K108 Cavity Insulation Board 1200mm x 450mm (5.4m2/Pack)

roofingsuperstore.co.uk

Kingspan Kooltherm K108 Phenolic Cavity Insulation Board 1200 X 450 X 50mm - Pack of 10 Sheets

The 100mm Kingspan Kooltherm K108 Cavity Insulation Board is a high-performance rigid insulation solution designed for use in cavity wall constructions. Measuring 1200mm x 450mm per board and covering 2.7m² per pack, this insulation board offers excellent thermal efficiency with a low lambda value, helping to improve energy performance in residential and commercial buildings. Manufactured with a fibre-free thermoset phenolic core, Kingspan Kooltherm K108 is lightweight yet robust, easy to handle, and simple to install between wall cavities. The foil facing on both sides enhances moisture resistance and durability, making it an ideal choice for new builds or retrofit projects requiring effective cavity wall insulation.

- Premium phenolic core offers outstanding thermal insulation performance
- Foil-faced both sides for improved moisture resistance and durability
- Easy-to-handle boards sized at 1200mm x 450mm each
- Suitable for new build and retrofit cavity wall applications
- Lightweight yet robust construction simplifies installation process
- Each pack provides coverage of 2.7 square metres

Shop Kingspan Kooltherm K108 Insulation Board on BuildBuddy—high thermal efficiency, moisture resistance, easy installation. Ideal for cavity wall projects.

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100mm Kingspan Kooltherm K108 Cavity Insulation Board 1200mm x 450mm (2.7m2/Pack)

Kingspan Kooltherm K108 Phenolic Cavity Insulation Board 1200 X 450 X 100mm - Pack of 5 Sheets

The 75mm Kingspan Kooltherm K108 Cavity Insulation Board is a high-performance thermal insulation solution designed for use in cavity walls. Measuring 1200mm x 450mm per board and supplied in packs covering 3.24m², this Kingspan insulation board offers excellent thermal efficiency due to its fibre-free rigid thermoset phenolic core. Lightweight and easy to handle, it fits snugly within standard wall cavities, improving energy efficiency while meeting current building regulations. The Kooltherm K108 is moisture-resistant, reducing the risk of damp and mould within wall structures, making it ideal for both new builds and refurbishment projects.

- Premium Kingspan Kooltherm K108 cavity wall insulation board
- Board size: 1200mm x 450mm; thickness: 75mm per panel
- Pack coverage: 3.24m² for efficient project completion
- Excellent thermal performance with low lambda value
- Rigid phenolic core resists moisture and prevents damp ingress
- Suitable for new builds or refurbishment cavity wall applications

Shop Kingspan Kooltherm K108 on BuildBuddy. High thermal performance, moisture resistance & easy fit—ideal cavity insulation for your next construction project.

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75mm Kingspan Kooltherm K108 Cavity Insulation Board 1200mm x 450mm (3.24m2/Pack)

Kingspan Kooltherm K108 Phenolic Cavity Insulation Board 1200 X 450 X 75mm - Pack of 6 Sheets

Xtratherm

The 60mm Unilin Xtratherm Thin-R PIR Insulation Board is a high-performance rigid insulation solution designed for floors, walls, and roofs in both residential and commercial buildings. Measuring 2400mm x 1200mm, this PIR insulation board delivers excellent thermal efficiency while maintaining a slim profile, making it ideal for projects where space is limited. The Unilin Xtratherm Thin-R board is easy to handle and install, offering reliable long-term performance due to its closed-cell structure and robust foil facings. It helps improve energy efficiency by reducing heat loss, supporting compliance with modern building regulations.

- High thermal performance with low lambda PIR core
- Suitable for floors, walls, and pitched roof applications
- Lightweight design ensures easy handling and installation
- Durable foil facings enhance moisture resistance
- Slim 60mm thickness saves valuable construction space
- Complies with current UK building regulations

Find the Unilin Xtratherm Thin-R PIR Insulation Board 60mm on BuildBuddy. Excellent thermal efficiency, lightweight design—ideal for walls, floors, roofs.

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60mm Unilin Xtratherm Thin-R PIR Insulation Board 2400mm x 1200mm

Unilin Xtratherm PIR Insulation Board - 2400mm x 1200mm x 60mm

The 130mm Kingspan Thermaroof TR24 Flat Roof Torch-On Insulation Board is a high-performance, rigid polyisocyanurate (PIR) insulation solution designed for flat roof applications. Measuring 1200mm x 600mm per board and covering 2.16m² per pack, it offers excellent thermal efficiency for both new builds and refurbishment projects. This insulation board is compatible with torch-on waterproofing systems and provides long-lasting energy savings and moisture resistance. Kingspan Thermaroof TR24 boards are lightweight, easy to handle and quick to install, making them ideal for commercial and residential flat roofs seeking improved insulation performance.

- Suitable for torch-on waterproofing membrane systems installation  
- High thermal performance PIR core improves energy efficiency  
- Dimensions: 130mm thickness, 1200mm x 600mm board size  
- Moisture-resistant design ideal for flat roof environments  
- Lightweight boards ensure easy handling and quick installation  
- Covers 2.16m² per pack for efficient project planning

Buy Kingspan Thermaroof TR24 Flat Roof Insulation Board on BuildBuddy. High thermal performance, moisture resistance, easy installation—ideal for flat roofs.

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130mm Kingspan Thermaroof TR24 Flat Roof Torch-On Insulation Board 1200mm x 600mm (2.16m2/Pack)

Kingspan Thermaroof TR24 PIR Flat Roof Insulation Board 1200 X 600 X 130mm - Pack of 3 Sheets

Polypipe

Marley

Ibstock

Broadfix

Marshalls

British Gypsum

Owlett-jaton

Tembe

Eclipse

Spax

Hippo

British Lead Mills

Supreme Concrete

Carlisle Brass

John George

C-tec

Simpson

Buildbase

DOLINA NOTECI

Rodo

Bostik

Hamilton

Philmac

Sealocrete

Robeslee

Dietzel Univolt

Tafs (salop) Ltd

Wienerberger

Fillcrete

Grange

Terca

Polycell

Thompson's

Febond

Keylite

Unifix

Suregraft

Stadium

Cuprinol

Hepworth

Timloc

Armstead

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Woodpecker

Forterra

Knauf

Faithfull

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Cemex UK

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Thermalite

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Prodec

Ulti-mate

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Flexseal

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Red Bank

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Evo-stik

Peter Savage

Cementone

WD-40

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Sandtex

Thistle

GRS Roadstone

Metpost

Toupret

Easy Innovations Ltd

Azpects

BAL Adhesives

Wrekin

Norbord

Centurion

Gorilla

Enviromose

Phillips Screw Company

Talon

Velux

builderdepot.co.uk

buildingmaterials.co.uk

thepaintshed.com

jewson.co.uk

mpmoran.co.uk

screwfix.com

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wickes.co.uk

Mannok insulation board is commonly used in floors, walls, and roofs to improve thermal performance. It’s available in different specifications, including rigid Mannok PIR insulation, as well as insulated plasterboard. All Mannok boards are available in a range of sizes and are optimised to enable the low U-values you need on your build. 
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