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Cavity Boards

The thermal envelope of your home can be improved by installing cavity insulation boards and cavity insulation slabs, which are excellent thermally. Up to 33% of your home’s heat is lost through external walls. Our insulation boards and cavity insulation slabs have excellent thermal properties. It has been shown that cavity wall insulation can reduce global warming and heat loss, according to the Cavity Insulation Guarantee Agency (CIGA). Insulation products manufactured by industry leaders such as Kingspan, Celotex, Knauf Insulation, and EcoTherm are durable and long-lasting. We offer a variety of thicknesses and sizes of cavity wall insulation boards, insulation slabs, and partial fill insulation boards.


Showing all 6 results

Celotex CW4000 PIR Wall Cavity Partial Fill 450mm x 1200mm – All Sizes

£54.45 £79.95 Ex VAT
Celotex CW4000 PIR Wall is an insulation board aimed at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a…

Ecotherm Full Fill Cavity Wall Insulation 1200mm x 450mm – All Sizes *PALLET PRICES

£1,818.60 £2,343.60 Ex VAT
EcoTherm Eco-Cavity Full Fill Wall insulation board comprises a fibre free rigid polyisocyanurate (PIR) insulation core faced with aluminium foil composite on both sides. The…

Mannok Therm MC Cavity Wall PIR Insulation Board 1200mm x 450mm – All Sizes

Mannok Therm MC PIR is a polyisocyanurate (PIR) insulation board ideally designed to be used in masonry walls with partial fill cavity insulation. These boards…

Kingspan Kooltherm K106 Cavity Board 1200mm x 450mm – 90mm

£88.65 Ex VAT
Kingspan Kooltherm K106 Cavity Board is a premium performance lower lambda insulation with a fibre-free rigid thermoset phenolic core, a low emissivity composite foil on…

Kingspan Kooltherm K108 Partial Fill Cavity Board 1200mm x 450mm – All Sizes

£100.66 £112.76 Ex VAT
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…

Kingspan Thermawall TW50 Insulation 1200mm x 450mm – All Sizes

Kingspan Thermawall TW50 is a high performance insulation with a fibre-free rigid thermoset polyisocyanurate (PIR) core. It is used to insulate cavity walls, and has a…
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