100mm Unilin Thin-R XT/CW Partial Fill Cavity Wall Insulation (T&G) is typically used in external walls of buildings with cavity wall construction.
Wall Insulation Board
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100mm Celotex CW4100 Cavity Wall Insulation Board 1200mm x 450mm 3.24m2 Pack of 6
100mm Celotex CW4100 Cavity Wall Insulation Board is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing.
£56.00 £67.20 Inc VAT£9.33 Per Sheet Add to cart -
100mm Celotex GA4100 PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
100mm Celotex GA4100 is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Celotex is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£31.95 £38.34 Inc VAT Add to cart -
100mm Ecotherm Eco-Cavity Insulation Board 1200mm x 450mm Pack of 5
100mm Ecotherm Eco-Cavity wall insulation boards are ideal for masonry walls. They achieve high levels of thermal performance for thinner constructions whilst maintaining a clear residual air gap; effective protection against driving rain, particularly in coastal and exposed locations.
£42.64 £51.17 Inc VAT£8.53 Per Sheet Add to cart -
100mm Ecotherm Eco-Versal PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
100mm Ecotherm Eco-Versal is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Ecotherm Eco-Versal is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£31.66 £37.99 Inc VAT Add to cart -
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1-9 10+ £41.86 £40.60 
100mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4′ X 2′) Pack of 6
100mm Jablite HP+ 70E External Wall Insulation Board is designed to enhance thermal efficiency for external walls. It can be bonded or mechanically fixed, providing reliable insulation solution.
£41.86 £50.23 Inc VAT£6.98 Per Sheet Add to cart -
100mm Kingspan Kooltherm K108 Cavity Board Insulation 1200mm x 450mm Pack of 5
100mm Kingspan Kooltherm K108 partial fill cavity wall board is a premium performance lower lambda insulation with a rigid thermoset fibre-free phenolic core. It is faced on both sides with a low emissivity composite foil facing and is used in partially filled cavity walls.
£103.49 £124.19 Inc VAT£20.70 Per Sheet Add to cart -
100mm Kingspan Kooltherm K112 Framing Insulation Board 2400mm x 1200mm Pack of 3
100mm Kingspan Kooltherm K112 Framing Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core. It is used to insulate timber and steel framing systems with thermal conductivity of just 0.019 W/mK across all thicknesses.
£372.87 £447.44 Inc VAT£124.29 Per Sheet Add to cart -
100mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 5
100mm Kingspan Thermawall TW50 is a high performance insulation with thermal conductivity of 0.022 W/mK. Therma is a range of PIR insulation available in a range of thicknesses.£48.88 £58.66 Inc VAT£9.78 Per Sheet Add to cart -
100mm Kingspan ThermaWall TW55 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 3
100mm Kingspan ThermaWall TW55 PIR is a top-performing thermal insulation board designed for walls. Made from polyisocyanurate (PIR), the boards feature a closed-cell foam that delivers superior thermal insulation. Typically used for timber and steel framing systems, TW55 PIR is an effective solution for enhancing the energy efficiency of buildings and minimising heat loss.
£130.00 £156.00 Inc VAT£43.33 Per Sheet Add to cart -
100mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
100mm Recticel Eurothane GP is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Recticel is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£29.73 £35.68 Inc VAT Add to cart -
100mm Recticel Eurowall Partial Cavity Wall Insulation Board 1200mm x 450mm Pack of 10
£80.00 £96.00 Inc VAT£8.00 Per Sheet Add to cart -
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1-4 5-10 11+ £988.88 £969.10 £959.21 100mm Unilin T&G XT/CW Partial Fill Cavity Wall Insulation Board 1200mm x 450mm Pallet of 100
£988.88 £1,186.66 Inc VAT£9.89 Per Sheet Add to cart -
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1-4 5-10 11+ £724.00 £709.52 £702.28 100mm Unilin Thin-R PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 24
100mm Unilin Thin-R PIR insulation is a foil faced, high-performance insulation solution that offers exceptional thermal efficiency and durability. This polyisocyanurate insulation board, formerly known as Xtratherm, is ideal for a range of applications, such as floors, pitched roofs, and walls.
£724.00 £868.80 Inc VAT£30.17 Per Sheet Add to cart -
110mm Celotex XR4110 PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
110mm Celotex XR4110 is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Celotex is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£39.23 £47.08 Inc VAT Add to cart -
110mm Ecotherm Eco-Versal PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
110mm Ecotherm Eco-Versal is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Ecotherm Eco-Versal is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£38.66 £46.39 Inc VAT Add to cart -
110mm Recticel Eurothane GP PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
110mm Recticel Eurothane GP is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Recticel is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£36.88 £44.26 Inc VAT Add to cart -
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1-4 5-10 11+ £716.88 £702.54 £695.37 110mm Unilin Thin-R PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 21
110mm Unilin Thin-R PIR insulation is a foil faced, high-performance insulation solution that offers exceptional thermal efficiency and durability. This polyisocyanurate insulation board, formerly known as Xtratherm, is ideal for a range of applications, such as floors, pitched roofs, and walls.
£716.88 £860.26 Inc VAT£34.14 Per Sheet Add to cart -
115mm Celotex Thermaclass Cavity Wall 21 Insulation Board 1190mm x 450mm Pack of 5
115mm Celotex Thermaclass Cavity Wall 21 is a PIR T&G insulation board designed for full-fill cavity wall applications. Low-emissivity foil facing provides versatility during installation, allowing for a 10mm residual cavity.
£89.99 £107.99 Inc VAT£18.00 Per Sheet Add to cart -
115mm Ecotherm Eco-Cavity Full Fill Insulation Board 1200mm x 450mm Pack of 4
Eco-Cavity Full Fill is suitable for full fill cavity wall applications while maintaining a residual 10 mm cavity. The residual cavity helps resist moisture transfer, aids installation, and accommodates mortar squeeze. The tongue and groove edges to ensure a continuous layer of insulation, increasing protection from wind driven rain and aiding installation.
£56.99 £68.39 Inc VAT£14.25 Per Sheet Add to cart -
115mm Kingspan Kooltherm K106 Cavity Board Insulation 1200mm x 450mm Pack of 4
115mm Kingspan Kooltherm K106 Cavity Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core with a thermal conductivity of just 0.019 W/mK across all thicknesses.
£108.59 £130.31 Inc VAT£27.15 Per Sheet Add to cart -
115mm Recticel Eurowall Full Fill Cavity Wall Insulation Board 1200mm x 460mm Pack of 8
£91.88 £110.26 Inc VAT£11.49 Per Sheet Add to cart -
120mm Celotex XR4120 PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
120mm Celotex XR4120 is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Celotex is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£39.16 £46.99 Inc VAT Add to cart -
120mm Ecotherm Eco-Versal PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
120mm Ecotherm Eco-Versal is a polyisocyanurate (PIR) insulation core with composite aluminium foil facings on both sides. Ecotherm Eco-Versal is a multi-purpose insulation board suitable for use in pitched roofs, ceilings, floors and walls.
£38.53 £46.24 Inc VAT Add to cart -
120mm IKO Enertherm ALU PIR Insulation Board 2400mm x 1200mm (8′ x 4′)
120mm IKO Enertherm ALU PIR (polyisocyanurate) insulation is a top-quality insulation board featuring a rigid PIR foam core and reflective aluminium foil facings. It delivers outstanding thermal performance and moisture resistance, making it suitable for various installations and an ideal choice for different energy-efficient projects.
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