Our specialist stores
Our specialist stores
Wall Insulation
Search our extensive range to find the high-quality wall insulation you need to minimise rising energy bills while also making your home a much more comfortable place to live all year round.
Effective home insulation can help you save hundreds of pounds on heating bills every year. This means it won’t take long to start profiting from your investment.
But what is the best insulation for walls around your particular home? How do you choose?
Reach out to our friendly and supportive team on 0203 318 7316 for an expert recommendation. Or check out our essential insulation guide here:
Read more about Wall Insulation.
Wall Insulation Range
Showing 217–252 of 338
Products in Wall Insulation
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25mm IKO Enertherm ALU PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
25mm 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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25mm Kingspan Therma TP10 / TF70 / TW55 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 12 (34.56m2)
All three models 25mm Kingspan Therma PIR Insulation Board:
- 25mm Thermapitch TP10
- 25mm Thermafloor TF70
- 25mm Thermawall TW55
share the same high-performance PIR core and low-emissivity foil facings, offering excellent thermal efficiency and easy installation. Although labeled differently, these boards share identical technical specifications.
£264.91£317.89 Ex VATInc VAT£7.67£9.20 Per M2 Add to cart -
25mm Knauf Rocksilk RS45 Building Insulation Slab 1200mm x 600mm 14.4m2 Pack
25mm Knauf Insulation Rocksilk RS45 is a Rock Mineral Wool slab, designed for use in multiple thermal and acoustic applications. It is non-combustible with the best possible Euroclass A1 reaction to fire classification.
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25mm Mannok PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
25mm Mannok PIR Insulation Board is an excellent choice for anyone looking for a high-performance insulation solution that provides superior thermal efficiency. It is ideal for use in any construction project, such as commercial and residential, in wall applications as well as roofing and flooring applications.
POA Get a quote -
25mm Recticel Eurothane Eurodeck Insulation Board 2400mm x 1200mm Pack of 12 (34.56m2)
25mm Eurothane® Eurodeck is compatible with mechanically fixed single-ply systems, benefiting from high compressive strength and excellent dimensional stability that ensures the flat surface finish required for optimum performance in new build and refurbishment projects. It is faced on both sides with a multi-layer coated aluminum foil.
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25mm Rockwool RW3 Acoustic Insulation Slab 1200mm x 600mm 138.24m2 Pallet
25mm Rockwool RW3 Slabs can be applied to an array of general building applications for acoustic, thermal and fire protection of partition walls, ceilings, floors and roofs.
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25mm Rockwool RWA45 Acoustic Insulation Slab 1200 x 600mm 138.24m2 Pallet
25mm Rockwool RWA45 has been developed for thermal, acoustic and fire performance in a range of construction types. It is suitable for applications on partition walls, ceilings, floors and roofs.
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25mm Superglass Acoustic Partition Roll Insulation 27.00m2 Roll
25mm Superglass Acoustic Partition Roll (APR) is a lightweight, non-combustible glass mineral wool insulation roll. It is suitable for the following applications: internal walls and floors, timber and metal stud partitions, drylining systems and separating walls and floors. Manufactured at a minimum density of 10kg/m³.
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25mm Unilin Thin-R PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 96 (276.48m2)
25mm 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.
POA Get a quote -
30mm Ecotherm Eco-Versal PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
30mm 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.
£18.48£22.18 Ex VATInc VAT£6.42£7.70 Per M2 Add to cart -
30mm IKO Enertherm ALU PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
30mm 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.
POA Get a quote -
30mm Kingspan Therma TP10 / TF70 / TW55 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 10 (28.8m2)
All three models 30mm Kingspan Therma PIR Insulation Board:
- 30mm Thermapitch TP10
- 30mm Thermafloor TF70
- 30mm Thermawall TW55
share the same high-performance PIR core and low-emissivity foil facings, offering excellent thermal efficiency and easy installation. Although labeled differently, these boards share identical technical specifications.
£269.23£323.08 Ex VATInc VAT£9.35£11.22 Per M2 Add to cart -
30mm Mannok PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
30mm Mannok PIR Insulation Board is an excellent choice for anyone looking for a high-performance insulation solution that provides superior thermal efficiency. It is ideal for use in any construction project, such as commercial and residential, in wall applications as well as roofing and flooring applications.
POA Get a quote -
30mm Recticel Eurothane Eurodeck Insulation Board 2400mm x 1200mm Pack of 10 (28.80m2)
30mm Eurothane® Eurodeck is compatible with mechanically fixed single-ply systems, benefiting from high compressive strength and excellent dimensional stability that ensures the flat surface finish required for optimum performance in new build and refurbishment projects. It is faced on both sides with a multi-layer coated aluminum foil.
POA Get a quote -
30mm Rockwool RWA45 Acoustic Insulation Slab 1200 x 600mm 138.24m2 Pallet
30mm Rockwool RWA45 has been developed for thermal, acoustic and fire performance in a range of construction types. It is suitable for applications on partition walls, ceilings, floors and roofs.
POA Get a quote -
30mm Unilin Thin-R PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 80 (230.40m2)
30mm 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.
POA Get a quote -
37.5mm Unilin XT/TL Dot & Dab Insulated Plasterboard 2400mm x 1200mm (8’ x 4’) Pallet of 60 (172.80m2)
37.5mm Unilin XT/TL Thermal Liner Dot and Dab Insulated Plasterboard is a high-performance rigid insulation board made from 25mm Unilin PIR core faced with composite kraft paper bonded to 12.5mm plasterboard, specially designed for internal walls dry lining and insulation.
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Buy in Bulk & Save
1-24 25+ £51.90£62.28 £50.86£61.03 
38mm Mannok PIR Insulated Plasterboard 1200mm x 2400mm + 12.5mm P/B 2.88m2
Mannok Therm Laminate-Kraft / MLK PIR 38mm + 12.5mm PIR Insulated plasterboard is a high performance, fibre-free insulated board. Mannok Therm Laminate-Kraft / MLK PIR has a kraft paper facing on one side and plasterboard bonded to the other side.
£51.90£62.28 Ex VATInc VAT£18.02£21.62 Per M2 Add to cart -
40mm IKO Enertherm ALU PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
40mm 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.
POA Get a quote -
40mm Kingspan Therma TP10 / TF70 / TW55 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 8 (23.04m2)
All three models 40mm Kingspan Therma PIR Insulation Board:
- 40mm Thermapitch TP10
- 40mm Thermafloor TF70
- 40mm Thermawall TW55
share the same high-performance PIR core and low-emissivity foil facings, offering excellent thermal efficiency and easy installation. Although labeled differently, these boards share identical technical specifications.
Non-refundable.
£262.88£315.46 Ex VATInc VAT£11.41£13.69 Per M2 Add to cart -
40mm Kingspan Thermawall TW50 PIR Insulation Board 1200mm x 450mm Pack of 12 (6.48m2)
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.£83.29£99.95 Ex VATInc VAT£12.85£15.42 Per M2 Add to cart -
40mm Mannok PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
40mm Mannok PIR Insulation Board is an excellent choice for anyone looking for a high-performance insulation solution that provides superior thermal efficiency. It is ideal for use in any construction project, such as commercial and residential, in wall applications as well as roofing and flooring applications.
POA Get a quote -
40mm Recticel Eurothane Eurodeck Insulation Board 2400mm x 1200mm Pack of 8 (23.04m2)
40mm Eurothane® Eurodeck is compatible with mechanically fixed single-ply systems, benefiting from high compressive strength and excellent dimensional stability that ensures the flat surface finish required for optimum performance in new build and refurbishment projects. It is faced on both sides with a multi-layer coated aluminum foil.
POA Get a quote -
40mm Rockwool RWA45 Acoustic Insulation Slab 1200 x 600mm 138.24m2 Pallet
40mm Rockwool RWA45 has been developed for thermal, acoustic and fire performance in a range of construction types. It is suitable for applications on partition walls, ceilings, floors and roofs.
POA Get a quote -
40mm SuperFOIL SF19BB Breathable Thermal Insulation Roll 1.2m x 10m (12m2)
SF19BB is SuperFOIL’s first fully breathable insulation for use in roofs and walls. Breathable Insulation save on time and materials by providing both the secondary rain barrier breathable membrane and insulation at the same time, this can reduce installation time and save on extra battens.
£100.28£120.34 Ex VATInc VAT£8.36£10.03 Per M2 Add to cart -
40mm Unilin Thin-R PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pallet of 56 (161.28m2)
40mm 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.
POA Get a quote -
45mm Multi-Layer SuperFOIL SF19+Insulation Roll 1.2m x 10m (12m2)
45mm SF19+ multi-layer foil insulation is an advanced version of SuperFOIL’s favourite reflective insulation SF19 for use in roofs and walls for both new build and retrofit applications.
£95.85£115.02 Ex VATInc VAT£7.99£9.59 Per M2 Add to cart -
45mm Multi-Layer SuperFOIL SF19+Insulation Roll 1.5m x 10m
45mm SF19+ multi-layer foil insulation is an advanced version of SuperFOIL’s favourite reflective insulation SF19 for use in roofs and walls for both new build and retrofit applications.
£116.51£139.81 Ex VATInc VAT Add to cart -
50mm Ecotherm Eco-Cavity Partial Fill Insulation Board 1200mm x 450mm Pack of 10 (5.40m2)
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.
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50mm Expanded Polystyrene EPS70 Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2 (Pack of 12)
50mm EPS70, often known as Expanded Polystyrene, is a lightweight foam product produced from tiny polystyrene beads. Due to its high thermal value and simplicity of usage, it is commonly used as one of the most favoured insulation materials in construction.
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50mm IKO Enertherm ALU PIR Insulation Board 2400mm x 1200mm (8′ x 4′) 2.88m2
50mm 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.
POA Get a quote -
50mm Kingspan Therma TP10 / TF70 / TW55 PIR Insulation Board 2400mm x 1200mm (8′ x 4′) Pack of 6 (17.28m2)
All three models 50mm Kingspan Therma PIR Insulation Board:
- 50mm Thermapitch TP10
- 50mm Thermafloor TF70
- 50mm Thermawall TW55
share the same high-performance PIR core and low-emissivity foil facings, offering excellent thermal efficiency and easy installation. Although labeled differently, these boards share identical technical specifications.
£198.59£238.31 Ex VATInc VAT£11.49£13.79 Per M2 Add to cart
