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Thermal insulation materials
(107)
Thermal insulation materials for building envelopes and services. Rigid PIR, PUR, EPS and XPS boards. Mineral wool rolls and slabs. Blown bead and cavity fill. Spray foam and reflective foils. Vacuum panels and aerogel blankets. For roofs, walls, floors, facades, partitions and pipework. New build and retrofit compliance.
Thermal insulation materials - helping you find the best solution for your project.

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
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
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
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
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
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
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

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
K-FLEX ST DUCT elastomeric insulation sheets are designed to insulate ventilation and air-conditioning ducts. They are produced in 1.5m widths to reduce installation times. The product comprises an adhesive coating, a removable liner and K-FLEX ST elastomeric insulation: elastomeric insulation sheets for air ducting; designed to isolate- PRODUCT
- K-FLEX
Er05 rainscreen cladding insulation
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Er05 is a design detail for rainscreen cladding systems using Knauf insulation. The system comprises Rocksilk RainScreen Slab, which is built-up on site with fixing brackets, support rails and rainscreen panels. Rocksilk RainScreen Slab is a rock mineral wool slab containing a water repellent additive, specially developed for rainscreen cladding- PRODUCT
- Knauf 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
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
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
Earthwool® FactoryClad is a flexible, lightweight roll of resilient, non-combustible glass mineral wool with exceptionally high tear strength. It is produced in a range of four different thermal conductivities and can be used on metal clad roofs and walls Earthwool® FactoryClad is produced in four thermal conductivites, from 0.032-0.040W/mK, and- PRODUCT
- Knauf Insulation
K-FLEX ECO elastomeric insulation sheets are formulated and produced without using halogens. In the event of a fire, fumes given off during a fire are transparent and non-toxic to anyone in the vicinity: elastomeric insulation for improved environmental safety; non-toxic, transparent fumes in the event of a fire; no PVC, HCFC, CFC; halogen free- 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
Closed cell rigid polyurethane foam is injected into cavity walls to provide high-performance thermal insulation and structural stabilisation. Suitable for all exposure zones, including flood-risk areas. Inherently waterproof. Delivers significantly better U-values and energy savings compared to fibre insulation- 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
Universal Slab (Rock) provides excellent thermal and acoustic insulation for a wide range of applications in buildings, building services and industry. Universal Slabs are unfaced, rock mineral wool slabs, available in a range of densities from 33-200 kg/m3. The standard product is supplied unfaced, but slabs can also be manufactured with a- PRODUCT
- Knauf Insulation
Earthwool® DriTherm Cavity Slab (Rock) is a semi-rigid slab of non-combustible rock mineral wool with a water-repellent additive. It is designed for thermal insulation of masonry cavity external walls and is dimensioned to fit between wall ties at standard spacings. DriTherm Cavity Slab has a thermal conductivity of 0.037 W/mK and is classified as- PRODUCT
- Knauf Insulation
K-FLEX® ST/SK is a cut-to-length self-seal elastomeric insulator. The innovative system includes adhesive tapes which are quick and easy to use. Self-sealing insulation tubes save on installation time, reduce the use of other adhesives and improve on-site working conditions. K-FLEX® ST/SK is also available as version with overlap - K-FLEX® ST/SK- PRODUCT
- K-FLEX
ISO-ACOUSTIC INSULATING STRIPS
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ISO-ACOUSTIC INSULATING STRIPS are mineral wool felt sheets with fleece lamination on one side and have excellent sound and thermal insulating properties. They absorb surrounding noises that develop within buildings, ensuring a comfortable background noise level. They considerably reduce echo effects and noise pollution: excellent soundFL01 warm deck flat roof insulation
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FL01 is a design detail for warm deck flat roofs, constructed with a single-ply membrane using Knauf insulation. The system comprises Rocksilk Krimpact Flat Roof Slab, which is built-up on site over a structural deck with a vapour control layer and a single-ply, mechanically fixed waterproofing membrane on top. It is compatible with all single-ply- PRODUCT
- Knauf Insulation

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