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Brand: Recticel
Model: 1190x450mm - 0.54m2
Delivery Time: 3 - 5 days
75mm Recticel Eurowall + is a premium, high performance full-fill PIR insulation board with precision cut tongue and groove joints on all 4 sides, ensuring boards lock tightly together, minimising heat loss through thermal bridging. This unique joint offers increased protection against wind driven r..
Brand: Rockwool
Model: 1200mm x 455mm - 4.91m2
Delivery Time: 3 - 5 days
75mm Rockwool Full Fill Cavity Batt are high-performance insulation products designed to fit snugly within the cavities of walls, providing excellent thermal and acoustic insulation. Made from natural volcanic rock, these batts are non-combustible and offer superior fire resistance, making them a sa..
Guide Price: £52.90
£63.48 inc VAT
Brand: Rockwool
Model: 1000mm x 650mm - 2.60m2
Delivery Time: 2 - 3 working days
75mm Rockwool SP60 Firestop Cavity Slab systems form cavity fire stops within commercial and industrial buildings. The solution may be installed horizontally or vertically and is suitable for varying cavity widths in masonry and curtain wall constructions. The product has been designed as a one-piec..
Guide Price: £215.29
£258.35 inc VAT
Brand: Soprema
Model: 1200mm x 450mm - 4.32m2
Delivery Time: 2 - 3 working days
75mm SOPRATHERM CW4000 (previously Celotex CW4000) is a high-performance, rigid PIR insulation board specifically engineered for partial-fill masonry cavity walls. It features low-emissivity foil facings on both sides to enhance thermal performance within the cavity air space.CHARACTERISTICSWith a t..
Guide Price: £80.44
£96.53 inc VAT
Brand: Superglass
Model: 1200x455mm - 4.37m2
Delivery Time: 1 - 2 days
75mm Superglass Superwall 32 Cavity Batt is a lightweight, non-combustible, unfaced glass mineral wool batt for use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 32 is manufactured from nearly 84% recycl..
Guide Price: £47.20
£56.64 inc VAT
Brand: Superglass
Model: 1200x455mm - 5.46m2
Delivery Time: 2 - 3 working days
75mm Superwall 36 Cavity Wall Batt is a lightweight, non-combustible, unfaced glass mineral wool batt for use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 36 is manufactured from nearly 84% recycled gla..
Guide Price: £30.50
£36.60 inc VAT
Brand: Kingspan
Model: 1200mm x 450mm - 3.24m2
Delivery Time: 1 - 5 working days
75mm Kingspan Thermapitch TW50 is a high-performance rigid insulation board designed specifically for use in cavity wall applications, particularly in new build and refurbishment projects. Manufactured using a premium polyisocyanurate (PIR) core, this insulation board offers exceptional thermal perf..
Guide Price: £127.70
£153.24 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200mm x 450mm - 2.16m2
Delivery Time: 7 - 10 days
75mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board - 1200mm x 450mm (pack of 4)
75mm Unilin Safe-R 019/CW Phenolic Partial Fill Cavity Insulation Board is a high‑performance phenolic insulation panel designed for traditional masonry cavity walls. It delivers excellent thermal efficiency while preserving a clear residual cavity, helping protect buildings from wind‑driven rain. T..
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.16m2
Delivery Time: 2 - 3 working days
75mm Unilin Safe-R SR/CW Phenolic Foam Insulation Board is a superior performance rigid partial fill cavity insulation board with enhanced fire performance, consisting of an Euroclass D-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/CW is faced with low emissivity alum..
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 3.24m2
Delivery Time: 2 - 4 days
75mm Unilin ThinR XT/CW Partial Fill Cavity Wall Insulation Board is a PIR insulation board with a high thermal performance whilst maintaining a residual cavity in the external walls. This board achieves high standards of insulation with a certified thermal conductivity of 0.022W/mK with the op..
Guide Price: £57.90
£69.48 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 3.24m2
Delivery Time: 1-3 working days
75mm Unilin XtroLiner XO/CW board has a tongue and groove core of modified polyisocyanurate (PIR) bonded to low emissivity aluminium foil facings offering excellent insulation performance with thermal conductivity. Unilin XtroLiner XO/CW board reduces the junctions prone to thermal bridging imp..
Brand: URSA
Model: 1350mm x 455mm - 4.3m2
Delivery Time: 1 - 2 days
75mm URSA Cavity Batt is a lightweight, semi rigid glass mineral wool slab treated with silicon-based water repellent. It is suitable for use in both fully and partially filled masonry cavity walls up to 25m high. It is manufactured from an abundant, sustainable resource and may utilize up to 80% gl..
Guide Price: £42.11
£50.53 inc VAT
Brand: URSA
Model: 1350mm x 455mm - 4.91m2
Delivery Time: 1 - 2 days
75mm URSA Cavity Batt is a lightweight, semi rigid glass mineral wool slab treated with silicon based water repellent. It is suitable for use in both fully and partially filled masonry cavity walls up to 25m high. It is manufactured from an abundant, sustainable resource and may utilise up to 80% gl..
Guide Price: £25.61
£30.73 inc VAT
Brand: YBS Insulation
Model: 2.5m
Delivery Time: 1 - 2 days
YBS Cavi-Mate EPS Cavity Closer is a new, robust window installation system ideal for the new build market. Manufactured from high quality PVC-U, it is a window former, locator and cavity closer, which enables Contractors to fit window frames quickly and easily by building around the sub-frame then ..
Guide Price: £8.69
£10.43 inc VAT
Brand: Guardian Insulation Solutions
Model: 76-90mm
Delivery Time: 2 - 3 working days
76-90mm Cavity Stop Sock GDS100- GIS DUO Cavity Stops are designed to prevent the spread of flames and smoke along the cavity and provides up to 4 hours fire integrity. They are 1200mm mineral wool slabs that are encapsulated in recycled plastic. This plastic will not add to the propagation of a fi..
Guide Price: £77.97
£93.56 inc VAT
Brand: Rockwool
Model: 1200mm x 455mm - 4.37m2
Delivery Time: 3 - 5 days
80mm Rockwool Full Fill Cavity Batt are high-performance insulation products designed to fit snugly within the cavities of walls, providing excellent thermal and acoustic insulation. Made from natural volcanic rock, these batts are non-combustible and offer superior fire resistance, making them a sa..
Guide Price: £46.55
£55.86 inc VAT
Brand: Soprema
Model: 1200mm x 450mm - 3.78m2
Delivery Time: 2 - 3 working days
80mm SOPRATHERM CW4000 (previously Celotex CW4000) is a high-performance, rigid PIR insulation board specifically engineered for partial-fill masonry cavity walls. It features low-emissivity foil facings on both sides to enhance thermal performance within the cavity air space.CHARACTERISTICSWith a t..
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.16m2
Delivery Time: 2 - 3 working days
80mm Unilin Safe-R SR/CW Phenolic Foam Insulation Board is a superior performance rigid partial fill cavity insulation board with enhanced fire performance, consisting of an Euroclass D-s1, d0 phenolic foam core with negligible smoke obscuration. Unilin Safe-R SR/CW is faced with low emissivity alum..
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.70m2
Delivery Time: 2 - 4 days
80mm Unilin ThinR XT/CW Partial Fill Cavity Wall Insulation Board is a PIR insulation board with a high thermal performance whilst maintaining a residual cavity in the external walls. This board achieves high standards of insulation with a certified thermal conductivity of 0.022W/mK with the op..
Guide Price: £51.54
£61.85 inc VAT
Brand: Unilin (prev. Xtratherm)
Model: 1200x450mm - 2.70m2
Delivery Time: 1-3 working days
80mm Unilin XtroLiner XO/CW board has a tongue and groove core of modified polyisocyanurate (PIR) bonded to low emissivity aluminium foil facings offering excellent insulation performance with thermal conductivity. Unilin XtroLiner XO/CW board reduces the junctions prone to thermal bridging imp..
Brand: Celotex
Model: 1200mm x 450mm - 3.78m2
Delivery Time: 1 - 5 working days
85mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigi..
Guide Price: £98.93
£118.72 inc VAT
Brand: Knauf
Model: 1200x455mm - 2.73m2
Delivery Time: 3 - 5 weeks
85mm Knauf DriTherm 32 Ultimate Cavity Slab is a high-performance insulation product specifically designed for use in external full-fill masonry cavity walls. These water-repellent glass mineral wool slabs provide exceptional thermal performance, making them an ideal choice for enhancing energy effi..
Guide Price: £46.66
£55.99 inc VAT
Brand: Knauf
Model: 1200x455 (4.37m2)
Delivery Time: 3 - 5 days
85mm Knauf DriTherm 37 Standard Cavity Slab is a high-performance insulation product specifically designed for use in external full-fill masonry cavity walls. These water-repellent glass mineral wool slabs provide exceptional thermal performance, making them an ideal choice for enhancing energy effi..
Guide Price: £28.21
£33.85 inc VAT
Brand: Isover
Model: 455x1200mm - 6.55m2
Delivery Time: 2 - 4 days
85mm ISOVER Cavity Wall Slab (CWS) is a semi-rigid glass mineral wool insulation specifically designed for use in external masonry cavity walls. It is a highly versatile solution, suitable for both full-fill and partial-fill applications in new build residential and commercial projects. These slabs ..
Guide Price: £42.83
£51.40 inc VAT
Brand: Soprema
Model: 1200mm x 450mm - 3.78m2
Delivery Time: 2 - 3 working days
85mm SOPRATHERM CW4000 (previously Celotex CW4000) is a high-performance, rigid PIR insulation board specifically engineered for partial-fill masonry cavity walls. It features low-emissivity foil facings on both sides to enhance thermal performance within the cavity air space.CHARACTERISTICSWith a t..
Guide Price: £113.77
£136.52 inc VAT
Brand: Superglass
Model: 1200x455mm - 4.37m2
Delivery Time: 1 - 2 days
85mm Superglass Superwall 32 Cavity Batt is a lightweight, non-combustible, unfaced glass mineral wool batt for use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 32 is manufactured from nearly 84% recycl..
Guide Price: £51.72
£62.06 inc VAT
Brand: Superglass
Model: 1200x455mm - 4.91m2
Delivery Time: 2 - 3 working days
85mm Superwall 36 Cavity Wall Batt is a lightweight, non-combustible, unfaced glass mineral wool batt for use as full or partial fill insulation in new external masonry cavity walls up to 25 m in height in domestic and non-domestic buildings. Superwall 36 is manufactured from nearly 84% recycled gla..
Guide Price: £30.14
£36.17 inc VAT
Brand: URSA
Model: 1350mm x 455mm - 3.68m2
Delivery Time: 3 - 5 days
85mm URSA Cavity Batt is a lightweight, semi rigid glass mineral wool slab treated with silicon-based water repellent. It is suitable for use in both fully and partially filled masonry cavity walls up to 25m high. It is manufactured from an abundant, sustainable resource and may utilize up to 80% gl..
Guide Price: £39.73
£47.68 inc VAT
Brand: Celotex
Model: 1190x450mm - 3.24m2
Delivery Time: 2 - 4 days
90mm Celotex Thermaclass Cavity Wall 21 is a high performance rigid PIR full fill cavity insulation board with low emissivity foil facings offering enhanced thermal performance (0.021 W/m.K) within cavity air spaces. It can be installed with up to a 10mm residual cavity or as a full fill solut..
Guide Price: £138.02
£165.62 inc VAT
Brand: EcoTherm Insulation
Model: 1200mm x 450mm - 2.16m2
Delivery Time: 1 - 5 working days
90mm EcoTherm Eco-Cavity Full Fill PIR Insulation is a specialist PIR (polyisocyanurate) insulation board designed specifically for traditional masonry cavity walls. Unlike standard partial-fill boards that require a residual 50mm air gap, this product is engineered to occupy the entire cavity, allo..
Guide Price: £70.29
£84.35 inc VAT






















