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.
Cavity Wall Insulation
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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, featuringĀ a low emissivity foil facing.
(1 review)£50.99 £61.19 Inc VAT£8.50 Per Sheet 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.
(0 reviews)£39.49 £47.39 Inc VAT£7.90 Per Sheet Add to cart -
100mm Isover CWS 32 Cavity Wall Slab 3.28m2 Pack
(0 reviews)£36.89 £44.27 Inc VAT£11.25 Per m2 Add to cart -
100mm Isover CWS 36 Cavity Wall Slab 6.55m2 Pack
(0 reviews)£38.99 £46.79 Inc VAT£5.95 Per m2 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 (4ā² X 2ā²) Pack of 6
100mm Jablite HP+ 70E EWI External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) sold in Pack of 6.
(0 reviews)£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.
(0 reviews)£103.49 £124.19 Inc VAT£20.70 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.(0 reviews)£44.88 £53.86 Inc VAT£8.98 Per Sheet Add to cart -
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1-4 5-10 11+ £905.99 £887.87 £878.81 
100mm Unilin T&G XT/CW Partial Fill Cavity Wall Insulation Board 1200mm x 450mm Pallet of 100
(0 reviews)£905.99 £1,087.19 Inc VAT£9.06 Per Sheet Add to cart -
115mm Celotex Thermaclass Cavity Wall 21 Insulation Board 1190mm x 450mm Pack of 5
(0 reviews)£81.98 £98.38 Inc VAT£16.40 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.
(1 review)£53.28 £63.94 Inc VAT£13.32 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 Ā with a thermal conductivity of just 0.019 W/mK across all thicknesses.
(0 reviews)£108.59 £130.31 Inc VAT£27.15 Per Sheet Add to cart -
125mm Isover CWS 32 Cavity Wall Slab 2.73m2 Pack
(0 reviews)£41.89 £50.27 Inc VAT£15.34 Per m2 Add to cart -
125mm Isover CWS 36 Cavity Wall Slab 4.37m2 Pack
(0 reviews)£31.99 £38.39 Inc VAT£7.32 Per m2 Add to cart -
150mm Isover CWS 32 Cavity Wall Slab 2.18m2 Pack
(0 reviews)£38.89 £46.67 Inc VAT£17.84 Per m2 Add to cart -
150mm Isover CWS 36 Cavity Wall Slab 3.28m2 Pack
(0 reviews)£32.89 £39.47 Inc VAT£10.03 Per m2 Add to cart -
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1-9 10+ £42.01 £40.75 20mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 30
20mm Jablite HP+ 70E EWI External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) sold in Pack of 30.
(0 reviews)£42.01 £50.41 Inc VAT£1.40 Per Sheet Add to cart -
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1-9 10+ £42.01 £40.75 30mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 20
30mm Jablite HP+ 70E EWI External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) sold in Pack of 20.
(0 reviews)£42.01 £50.41 Inc VAT£2.10 Per Sheet Add to cart -
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1-9 10+ £41.82 £40.57 40mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 15
(0 reviews)£41.82 £50.18 Inc VAT£2.79 Per Sheet Add to cart -
40mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 12
40mm 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)£58.99 £70.79 Inc VAT£4.92 Per Sheet Add to cart -
50mm Celotex CW4050 Cavity Wall Insulation Board 1200mm x 450mm 5.94m2 Pack of 11
50mm Celotex CW4050 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)£44.99 £53.99 Inc VAT£4.09 Per Sheet Add to cart -
50mm Ecotherm Eco-Cavity Insulation Board 1200mm x 450mm Pack of 10
50mm 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)£46.10 £55.32 Inc VAT£4.61 Per Sheet Add to cart -
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1-9 10+ £42.02 £40.76 50mm Jablite HP+ 70E External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) Pack of 12
50mm Jablite HP+ 70E EWI External Wall Insulation Board 1200mm x 600mm (4ā² X 2ā²) sold in Pack of 12.
(1 review)£42.02 £50.42 Inc VAT£3.50 Per Sheet Add to cart -
50mm Kingspan Kooltherm K108 Cavity Board Insulation 1200mm x 450mm Pack of 10
50mm 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)£104.68 £125.62 Inc VAT£10.47 Per Sheet Add to cart -
50mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 10
50mm 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.Non-refundable.(0 reviews)£50.32 £60.38 Inc VAT£5.03 Per Sheet Add to cart
