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Thermal insulation
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Thermal insulation for buildings for new build and refurbishment. Rigid PIR, phenolic, EPS and XPS boards. Mineral wool quilts and slabs. Blown cavity insulation and granulates. Spray-applied PU foams. Reflective multifoils and vacuum panels. Insulated plasterboard and EWI systems. Thermal breaks and cavity closers. For walls, roofs, floors, facades and basements to meet U-value targets.
Thermal insulation - helping you find the best solution for your project.

Spacetherm® ultra-thin insulation for thermal upgrades
Spacetherm® high-performance laminates provide unrivalled performance for thickness, with a class-leading thermal conductivity of 0.014W/mK. This outstanding performance is delivered through the use of Aerogel insulation, which can be bonded to various facings, providing a traditional thermal laminate board with performance far in excess of
TVS bagged ceiling insulation pads
TVS 100mm-thick ceiling insulation pads are designed to reduce the amount of heat and sound lost from a room. They are lightweight, low-cost and will not damage the integrity of a ceiling: no loose fibres in the ceiling void; helps reduce room-to-room sound; black polythene enclosed acoustic pad; show black through any ceiling perforations
DensDeck Prime Roof Board - gypsum insulation protection
DensDeck Prime Roof Board is a water and moisture resistant gypsum board with a glass mat facer and pre-primed surface, designed for use as a cover or underlayment board in roofing systems. Delivers high compressive strength, fire resistance, and improved load distribution to protect insulation and extend roof lifespan: water and moisture
RESISTA MG - PIR insulation board for residential flat roofs
RESISTA MG is a high-performance polyisocyanurate (PIR) insulation board designed for residential flat roofs. Made from closed-cell PIR foam with a mineral-coated fibreglass facer on both sides. Compatible with fully adhered RubberCover EPDM membranes: high-performance PIR insulation board for flat roofs; tthermal resistance for energy saving
ISOGARD HD Cover Board - high density PIR roofing
ISOGARD HD Cover Board is a 12.7 mm high-density polyisocyanurate (PIR) foam roof board with a mineral-coated fibreglass facer, designed to protect insulation in flat roofing systems and improve load distribution, thermal performance, and durability: high-density PIR foam board for flat roof protection and insulation; weighs 5 kg per 1.22 m x 2.25
CDM Fibran XPS-500C - 50mm-deep thermal insulation board
Newton CDM Fibran XPS-500C, produced exclusively for Newton Waterproofing, is a 50mm-deep, closed-cell thermal insulation board made from rigid extruded polystyrene foam (XPS). The insulation boards are used to form a 50mm spacer adjacent to the CDM BaseDrain and CDM FloorDrain drainage channels within the Newton CDM System cavity drain
ArmaFlex Ultima - thermal insulation for HVAC, refrigeration and pipework
ArmaFlex Ultima is a flexible, closed-cell insulation material designed for thermal insulation and condensation control in HVAC systems, refrigeration, and pipework. In the event of a fire, it is self-extinguishing and has low smoke emissions due to use of ArmaPrene technology

ArmaFlex Ultima C - fire safe pre-covered insulation sheets
ArmaFlex Ultima C is a pre-covered, flexible elastomeric insulation made with closed-cell foam based on patented ArmaPrene™ synthetic rubber, designed to deliver fire resistance and ultra-low smoke generation. Primarily used in HVAC, refrigeration, process pipework, ducts, vessels and fittings where high fire safety, energy efficiency and

AF/ArmaFlex - anti microbial closed-cell insulation
AF/ArmaFlex is a flexible, closed-cell elastomeric foam insulation, with Microban® antimicrobial protection to resist mould and bacteria. Designed for thermal efficiency and condensation control, it has low thermal conductivity with high water vapour diffusion resistance. Suitable for insulating pipes, ducts, vessels and equipment across

NH/ArmaFlex Smart - halogen free closed cell insulation
NH/ArmaFlex Smart is a halogen-free, closed-cell elastomeric foam insulation for flexibility and fire-safe performance without toxic emissions. Engineered for high condensation control, UV and ageing resistance, and greater ease of installation than traditional halogen-free foams: halogen-free elastomeric foam based on synthetic rubber, retains

AF/ArmaFlex Evo - fire safe elastomeric pipe insulation
ArmaFlex Evo is a flexible, closed-cell elastomeric insulation designed for thermal management, condensation control, and improved fire safety. It has built-in Microban® protection to help prevent mould and bacterial growth. ArmaFlex Evo is available in various forms—including tubes, self-adhesive variants, sheets, and rolls—and is suited to HVAC

NH/ArmaFlex Smart C - halogen free coated elastomeric insulation sheet
NH/ArmaFlex Smart C is a halogen-free, flexible closed-cell elastomeric insulation sheet with a factory-applied pre-covering for enhanced fire safety and mechanical protection. Flame-retardant and low-smoke, pre-covered sheets provides quick, one-step installation and excellent condensation control, durability, and energy efficiency

Spacetherm® Multi insulation maximises thermal performance in bathroom
Spacetherm® Multi aerogel insulation solution has allowed a retrofit professional to achieve his aim of maximising thermal performance and internal space in his own renovated upstairs bathroom. Ian Hurst, Managing Director of Environmental Systems Ltd, carried out a phased retrofit of his traditionally-built home, which features solid brick
Case study: private retrofit project at Balloch Farm, Inverness
Construction industry professional Gregor MacKinnon purchased Balloch Farm in Inverness in 2024. After tackling the highest priority maintenance issues, in early 2026 he set about improving the energy efficiency of the farmhouse’s existing concrete slab ground floors. Around 40% of the ground floor area is existing concrete slab with no damp proof
Bu02 is a design detail for built-up metal standing seam roofs using Knauf insulation. The system comprises FactoryClad Rolls and Rocksilk Universal Slab, built-up on site with profiled metal cladding sheets and liner sheets. FactoryClad Rolls are a range of flexible, lightweight rolls of resilient, non-combustible glass mineral wool with- PRODUCT
- Knauf Insulation
Condensation control spray is a closed-cell, Class 1 fire-rated polyurethane foam applied directly to substrates to prevent condensation by raising internal surfaces above the dew point. The foam bonds tightly to surfaces, creating a ‘hybrid’ warm roof and is typically finished with a spray-applied vapour-retardant coating for enhanced- PRODUCT
- Modern Plan Insulation
K-FLEX AL CLAD is an elastomeric insulation system with a multilayered alumimium foil covering that is resistant to ultraviolet rays and atmospheric agents. It is used to insulate plant and equipment, pipework and ducting, providing continuous cover even where complex detailing is required. The AL CLAD SYSTEM is made up of a wide range of products
Sprayed and injected rigid polyurethane foam provides closed cell marine insulation and buoyancy, delivering water resistance and condensation prevention for steel-hulled boats and marine structures: closed cell structure ensures inherent water resistance, minimising moisture ingress; sprayed application eliminates condensation, preventing- PRODUCT
- Modern Plan Insulation
ISOVER cavity wall insulation
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ISOVER cavity wall slabs (CWS) are BBA-certified glass mineral wool slabs, made from 75% recycled glass. Cavity slabs offer exceptional thermal performance in external masonry cavity walls. Manufactured with a water-repellent binder, the strong, resilient and flexible slabs are 455mm wide to fit between standard wall tie spacing. Slabs can be- PRODUCT
- Howarth Timber & Building Supplies
Seamless, spray-applied insulation system for internal or external use in commercial, industrial and domestic buildings, providing an airtight thermal barrier that seals air leakage and drafts. External grade, high-density closed cell foams can be applied to almost any roof. The foam is applied in a seamless, monolithic layer insulating and- PRODUCT
- Modern Plan Insulation
K-FLEX ST elastomeric insulation sheets provide thermal insulation for industrial, commercial and civil applications, including refrigeration, air conditioning, heating and plumbing, tanks, pipe fittings and water ducts: elastomeric insulation for civil and industrial use; temperatures from -165 °C to +110 °C; euroclass B-s3, d0; fine closed- PRODUCT
- K-FLEX
K-FLEX IC CLAD is a flexible, robust, inorganic, industrial insulation material made of reinforced glass fibre fabric. IC CLAD provides good flame-resistance, negligible toxicity and high-impact resistance. The finish is resistant to high temperatures. It is typically used for large tanks, pipes and silos: reinforced glass fibre industrial
K-FLEX ST elastomeric tubes provide thermal insulation for pipes in industrial, commercial and civil applications. ST insulating tubes are supplied in 2m lengths in a wide range of sizes: general-purpose tubular thermal insulation; industrial, commercial and civil applications; thickness: 6-60mm; diameter: 6-210 mm- PRODUCT
- K-FLEX
K-FLEX ECO elastomeric thermal insulation tubing is formulated and produced without using halogens. Any fumes given off during a fire are transparent and non-toxic to anyone in the vicinity: elastomeric insulation for improved environmental safety; non-toxic in the event of fire; no PVC, HCFC, CFC; halogen free. K-FLEX ECO elastomeric insulation- PRODUCT
- K-FLEX

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