50mm Unilin Thin-R XT/CW Partial Fill Cavity Wall Insulation (T&G) is typically used in external walls of buildings with cavity wall construction.
Cavity Wall Insulation
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1-4 5-10 11+ £1,159.99 £1,136.79 £1,125.19 
50mm Unilin T&G XT/CW Partial Fill Cavity Wall Insulation Board 1200mm x 450mm Pallet of 225
(0 reviews)£1,159.99 £1,391.99 Inc VAT£5.16 Per Sheet Add to cart -
60mm Celotex CW4060 Cavity Wall Insulation Board 1200mm x 450mm 5.4m2 Pack of 10
60mm Celotex CW4060 Cavity Wall Insulation Board is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuringĀ a low emissivity foil facing.
(0 reviews)£51.99 £62.39 Inc VAT£5.20 Per Sheet Add to cart -
60mm Ecotherm Eco-Cavity Insulation Board 1200mm x 450mm Pack of 8
60mm 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.
(0 reviews)£43.20 £51.84 Inc VAT£5.40 Per Sheet Add to cart -
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1-9 10+ £41.89 £40.63 
60mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 10
60mm Jablite HP+ 70EĀ EWI External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) sold in Pack of 10.
(0 reviews)£41.89 £50.27 Inc VAT£4.19 Per Sheet Add to cart -
60mm Kingspan Kooltherm K108 Cavity Board Insulation 1200mm x 450mm Pack of 8
60mm 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.
(0 reviews)£100.15 £120.18 Inc VAT£12.52 Per Sheet Add to cart -
60mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 8
60mm 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.(0 reviews)£52.32 £62.78 Inc VAT£6.54 Per Sheet Add to cart -
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1-9 10+ £39.10 £37.93 70mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 8
(0 reviews)£39.10 £46.92 Inc VAT£4.89 Per Sheet Add to cart -
70mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 6
70mm 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.(0 reviews)£44.58 £53.50 Inc VAT£7.43 Per Sheet Add to cart -
75mm Celotex CW4075 Cavity Wall Insulation Board 1200mm x 450mm 4.32m2 Pack of 8
75mm Celotex CW4075 Cavity Wall Insulation Board is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing.
(0 reviews)£51.99 £62.39 Inc VAT£6.50 Per Sheet Add to cart -
75mm Ecotherm Eco-Cavity Insulation Board 1200mm x 450mm Pack of 6
75mm 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.
(0 reviews)£36.99 £44.39 Inc VAT£6.17 Per Sheet Add to cart -
75mm Isover CWS 36 Cavity Wall Slab 8.74m2 Pack
(0 reviews)£38.99 £46.79 Inc VAT£4.46 Per m2 Add to cart -
75mm Kingspan Kooltherm K108 Cavity Board Insulation 1200mm x 450mm Pack of 6
75mm 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.
(0 reviews)£92.88 £111.46 Inc VAT£15.48 Per Sheet Add to cart -
75mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 6
75mm 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.(0 reviews)£41.66 £49.99 Inc VAT£6.94 Per Sheet Add to cart -
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1-4 5-10 11+ £999.99 £979.99 £969.99 75mm Unilin T&G XT/CW Partial Fill Cavity Wall Insulation Board 1200mm x 450mm Pallet of 150
75mm Unilin Thin-R XT/CW Partial Fill Cavity Wall Insulation (T&G) is typically used in external walls of buildings with cavity wall construction.
(0 reviews)£999.99 £1,199.99 Inc VAT£6.67 Per Sheet Add to cart -
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1-9 10+ £39.04 £37.87 80mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 7
80mm Jablite HP+ 70E EWI External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) sold in Pack of 7.
(0 reviews)£39.04 £46.85 Inc VAT£5.58 Per Sheet Add to cart -
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1-4 5-10 11+ £916.99 £898.65 £889.48 
80mm Unilin XT/CW Partial Fill Cavity Wall Insulation Board 1200mm x 450mm Pallet of 125
80mm Unilin Thin-R XT/CW Partial Fill Cavity Wall Insulation (S&E) is typically used in external walls of buildings with cavity wall construction.
(0 reviews)£916.99 £1,100.39 Inc VAT£7.34 Per Sheet Add to cart -
90mm Celotex Thermaclass Cavity Wall 21 Insulation Board 1190mm x 450mm Pack of 6
(0 reviews)£77.23 £92.68 Inc VAT£12.87 Per Sheet Add to cart -
90mm 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.
(6 reviews)£35.99 £43.19 Inc VAT£9.00 Per Sheet Add to cart -
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1-9 10+ £37.73 £36.60 90mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 6
(0 reviews)£37.73 £45.28 Inc VAT£6.29 Per Sheet Add to cart -
90mm Kingspan Kooltherm K106 Cavity Board Insulation 1200mm x 450mm Pack of 4
90mm Kingspan Kooltherm K106 Cavity Board is a premium performance insulation with a fibre-free rigid thermoset phenolic core Ā with a thermal conductivity of just 0.019 W/mK across all thicknesses.
(0 reviews)£80.88 £97.06 Inc VAT£20.22 Per Sheet Add to cart -
100mm Knauf DriTherm 32 Cavity Wall Insulation Slab 455mm x 1200mm 3.27m2 Pack
100mm DriTherm Cavity Slab 32 is a water-repellent Glass Mineral Wool slab designed for use in external full-fill masonry cavity walls, that offers the best thermal performance in the range. It is non-combustible with the best possible Euroclass A1 reaction to fire classification.
(0 reviews)£34.88 £41.86 Inc VAT£10.67 Per m2 Add to cart -
150mm Knauf DriTherm 32 Cavity Wall Insulation Slab 455mm x 1200mm 2.18m2 Pack
150mm DriTherm Cavity Slab 32 is a water-repellent Glass Mineral Wool slab designed for use in external full-fill masonry cavity walls, that offers the best thermal performance in the range. It is non-combustible with the best possible Euroclass A1 reaction to fire classification.
(0 reviews)£35.88 £43.06 Inc VAT£16.46 Per m2 Add to cart -
150mm Knauf DriTherm 37 Cavity Wall Insulation Slab 455mm x 1200mm 4.37m2 Pack
150mm DriTherm Cavity Slab 37 is a water-repellent Glass Mineral Wool slab, designed for use in external full-fill masonry cavity walls, that offers excellent thermal performance. It is non-combustible with the best possible Euroclass A1 reaction to fire classification
(1 review)£33.88 £40.66 Inc VAT£7.75 Per m2 Get restock alert -
100mm Knauf DriTherm 37 Cavity Wall Insulation Slab 455mm x 1200mm 6.55m2 Pack
100mm DriTherm Cavity Slab 37 is a water-repellent Glass Mineral Wool slab, designed for use in external full-fill masonry cavity walls, that offers excellent thermal performance. It is non-combustible with the best possible Euroclass A1 reaction to fire classification
(0 reviews)£33.33 £40.00 Inc VAT£5.09 Per m2 Get restock alert
