- DIY Building Supplies
75mm Celotex CW4075 Cavity Insulation – 1200mm x 450mm – 8 Boards
Product Details
This Celotex CW4075 is a partial fill insulation for masonry cavity walls. It is a high-performance rigid polyisocyanurate (PIR) material which is available in 75mm thickness and has been pre-sized so it can fit between cavity wall ties. It's suitable for use in both new and existing builds as well as extensions, making it a versatile option. CW4075 insulation has excellent thermal conductivity value of 0.022 W/mK, and the innovative low emissive aluminium foil facing helps it to achieve impressive uValues. As a result, it's among the best-performing insulation materials available on the market, bringing you reliable long-term savings. Quick & easy to install High-performance partial fill PIR insulation board Low emissivity foil facings Improves thermal insulation performance in cavity air spaces Suitable for masonry cavity walls CS(10\Y)120 compressive strength (kPa) Celotex CW4075 insulation board has been specifically sized to fit the standard wall tie spacing requirements. This means that no cutting is required, making it quick and easy to be installed. When fitted correctly, it will help you meet carbon dioxide emissions and energy use targets which have been set by the national building regulations. Thickness: 75 mm Length: 1200 mm Width: 450 mm No. Boards: 8 Coverage: 4.32 m² R-value: 2.25 m²K/W Thermal Conductivity: 0.022 W/mK Maximum Weight: 2.78 kg/m² Certification: BA 16/5352 BBA 17/5405 Country Origin: UK The R-value denotes the resistance to heat flow – the higher the R-value the more insulating the product is. What's more, this sturdy PIR insulation comes with a BBA (British Board of Agrément) certificate and a BRE (Building Research Establishment) Green Guide Rating of A, which will help improve your environmental performance. Thermal conductivity: 0.022W/mK, according to BS EN 13165 for factory made rigid polyurethane foam (PU) product BRE Green Guide Rating: A Spread of flame: Euroclass F Reaction to Fire classification, according to BS EN 13501-1. Products with this level of classification are not provided with a rating for smoke emission. Certification: BBA certified
| Product Name | 75mm Celotex CW4075 Cavity Insulation - 1200mm x 450mm - 8 Boards |
| Brand | Celotex |
Popular products right now -

Lacoste Boys All Over Logo Shirt in Navy 5 Yrs Blue
Original price was: £50.00.£20.00Current price is: £20.00.
-

Tala Icing Syringe Set with 6 Nozzles
£7.99
-

UGG Girls Jorie Glitter Leopard Booties EU 28.5 US 11 Pink
Original price was: £60.00.£24.00Current price is: £24.00.
-

Balmain Girls Logo Bikini in Black 4 Yrs
Original price was: £163.00.£65.00Current price is: £65.00.
-

BRUSHED COTTON SIMON NATURAL Single Fitted Sheet
Original price was: £9.99.£5.99Current price is: £5.99.
-

Harlequin x Sophie Robinson Dappled Leaf Wallpaper 1 Roll Leaf Citrine
£99.00
-

Dulux Paint Mixing Soft Sheen LOVE LETTER CF19, 2.5L
£36.49
-

Givenchy Boys Embroidered Logo Sweatshirt in Black 4 Yrs
Original price was: £199.00.£80.00Current price is: £80.00.
-

Moncler Enfant Moncler Boys Down Padded Tiam Long Jacket 8 Yrs Black
£675.00
-

Moncler Enfant Baby Girls Down Padded Samian Snowsuit in Pink 9 – 12 Mths
£520.00
-

Off-White Girls Colourblock Knit Crewneck Jumper 6 Yrs Multicoloured
Original price was: £360.00.£144.00Current price is: £144.00.
-

Burberry Boys Shorts 8 Yrs Black
Original price was: £230.00.£92.00Current price is: £92.00.
-

Palm Angels Girls Leather Palm University Glitter Trainers in Pink EU 31 UK 12.5
£265.00
-

Dulux Paint Mixing Satinwood Rouge Noir, 1L
£33.96
-

Molo Baby Organic Cotton Smiley Face Joggers 12 Mths Grey
Original price was: £30.00.£15.00Current price is: £15.00.
-

Coo-Var Floor Paint 5L Dark Grey
£55.33
-

Molo Boys T-Shirt 8 Yrs Blue
Original price was: £40.00.£16.00Current price is: £16.00.
-

BOSS Baby Boys Logo Shorts in Beige 12 Mths
Original price was: £59.00.£41.00Current price is: £41.00.
-

Dulux Paint Mixing Eggshell Nomadic Glow 5, 500ml
£20.54
-

Pucci Girls Iride Print Leggings in Multicolour 8 Yrs Multicoloured
Original price was: £126.00.£50.00Current price is: £50.00.
-

Monnalisa Girls Cotton Tweety Summer Sky Hoodie 3 Yrs Ivory
Original price was: £115.00.£46.00Current price is: £46.00.
-

DOUBLE DUVET COVER Rainbow Kingdom
£19.99
-

MARC JACOBS Girls Looney Tunes Cropped T-Shirt in Yellow 14 Yrs
Original price was: £59.00.£30.00Current price is: £30.00.
-

Burberry Baby Girls Ffion Logo Sweater Dress 2 Yrs Pink
Original price was: £260.00.£104.00Current price is: £104.00.
-

Giles & Posner Large Electric Multi Meal Maker
£49.99
-

Versace Kids Crystal Logo T-Shirt in White 12 Yrs
Original price was: £170.00.£68.00Current price is: £68.00.
-

Calvin Klein Jeans Baby Monogram T-Shirt in Auburn 2 Yrs Orange
Original price was: £25.00.£13.00Current price is: £13.00.
-

Emporio Armani Baby Boys 2 Pack T-Shirt Set in Multicolour 18 Mths Multicoloured
Original price was: £135.00.£94.00Current price is: £94.00.
-

Versace Unisex Barocco Print Lace Up Trainers EU 23 – UK 6 Black
Original price was: £255.00.£128.00Current price is: £128.00.
-

Guess Girls Logo Print T-Shirt in White 8 Yrs
£25.00
-

Dulux Matt Pure Brilliant White, 2.5L
£20.84
-

Monnalisa Girls Princess Trainers in White EU 29 UK 11 Purple
Original price was: £148.00.£109.00Current price is: £109.00.
-

Dsquared2 Boys Hoodie 14 Yrs Black
Original price was: £164.00.£66.00Current price is: £66.00.
-

Balenciaga Kids Logo Speed Trainers EU 27 – 28 UK 9 – 10 White
Original price was: £350.00.£245.00Current price is: £245.00.
-

Jessie And James Girls Waterfall Dress in Purple 6 Yrs
£164.00
-

Ralph Lauren Girls Puffer Jacket in Navy US 3 – UK 3 Yrs Blue
Original price was: £249.00.£99.00Current price is: £99.00.
-

Dulux Paint Mixing Silk Sapphire Springs 3, 2.5L
£36.49
-

Needle & Thread Girls Fifi Dress in Cream 10 Yrs Ivory
Original price was: £350.00.£175.00Current price is: £175.00.
-

Gucci Girls Logo Bermuda Shorts 5 Yrs Brown
Original price was: £370.00.£148.00Current price is: £148.00.
-

Palm Angels Girls POP PA Bear Tank Top in White 8 Yrs
Original price was: £135.00.£68.00Current price is: £68.00.
-

Lacoste Boys All Over Logo Shirt in Navy 5 Yrs Blue
Original price was: £50.00.£20.00Current price is: £20.00. -

Tala Icing Syringe Set with 6 Nozzles
£7.99 -

UGG Girls Jorie Glitter Leopard Booties EU 28.5 US 11 Pink
Original price was: £60.00.£24.00Current price is: £24.00. -

Balmain Girls Logo Bikini in Black 4 Yrs
Original price was: £163.00.£65.00Current price is: £65.00. -

BRUSHED COTTON SIMON NATURAL Single Fitted Sheet
Original price was: £9.99.£5.99Current price is: £5.99. -

Harlequin x Sophie Robinson Dappled Leaf Wallpaper 1 Roll Leaf Citrine
£99.00 -

Dulux Paint Mixing Soft Sheen LOVE LETTER CF19, 2.5L
£36.49 -

Givenchy Boys Embroidered Logo Sweatshirt in Black 4 Yrs
Original price was: £199.00.£80.00Current price is: £80.00. -

Moncler Enfant Moncler Boys Down Padded Tiam Long Jacket 8 Yrs Black
£675.00 -

Moncler Enfant Baby Girls Down Padded Samian Snowsuit in Pink 9 – 12 Mths
£520.00 -

Off-White Girls Colourblock Knit Crewneck Jumper 6 Yrs Multicoloured
Original price was: £360.00.£144.00Current price is: £144.00. -

Burberry Boys Shorts 8 Yrs Black
Original price was: £230.00.£92.00Current price is: £92.00. -

Palm Angels Girls Leather Palm University Glitter Trainers in Pink EU 31 UK 12.5
£265.00 -

Dulux Paint Mixing Satinwood Rouge Noir, 1L
£33.96 -

Molo Baby Organic Cotton Smiley Face Joggers 12 Mths Grey
Original price was: £30.00.£15.00Current price is: £15.00. -

Coo-Var Floor Paint 5L Dark Grey
£55.33 -

Molo Boys T-Shirt 8 Yrs Blue
Original price was: £40.00.£16.00Current price is: £16.00. -

BOSS Baby Boys Logo Shorts in Beige 12 Mths
Original price was: £59.00.£41.00Current price is: £41.00. -

Dulux Paint Mixing Eggshell Nomadic Glow 5, 500ml
£20.54 -

Pucci Girls Iride Print Leggings in Multicolour 8 Yrs Multicoloured
Original price was: £126.00.£50.00Current price is: £50.00. -

Monnalisa Girls Cotton Tweety Summer Sky Hoodie 3 Yrs Ivory
Original price was: £115.00.£46.00Current price is: £46.00. -

DOUBLE DUVET COVER Rainbow Kingdom
£19.99 -

MARC JACOBS Girls Looney Tunes Cropped T-Shirt in Yellow 14 Yrs
Original price was: £59.00.£30.00Current price is: £30.00. -

Burberry Baby Girls Ffion Logo Sweater Dress 2 Yrs Pink
Original price was: £260.00.£104.00Current price is: £104.00. -

Giles & Posner Large Electric Multi Meal Maker
£49.99 -

Versace Kids Crystal Logo T-Shirt in White 12 Yrs
Original price was: £170.00.£68.00Current price is: £68.00. -

Calvin Klein Jeans Baby Monogram T-Shirt in Auburn 2 Yrs Orange
Original price was: £25.00.£13.00Current price is: £13.00. -

Emporio Armani Baby Boys 2 Pack T-Shirt Set in Multicolour 18 Mths Multicoloured
Original price was: £135.00.£94.00Current price is: £94.00. -

Versace Unisex Barocco Print Lace Up Trainers EU 23 – UK 6 Black
Original price was: £255.00.£128.00Current price is: £128.00. -

Guess Girls Logo Print T-Shirt in White 8 Yrs
£25.00 -

Dulux Matt Pure Brilliant White, 2.5L
£20.84 -

Monnalisa Girls Princess Trainers in White EU 29 UK 11 Purple
Original price was: £148.00.£109.00Current price is: £109.00. -

Dsquared2 Boys Hoodie 14 Yrs Black
Original price was: £164.00.£66.00Current price is: £66.00. -

Balenciaga Kids Logo Speed Trainers EU 27 – 28 UK 9 – 10 White
Original price was: £350.00.£245.00Current price is: £245.00. -

Jessie And James Girls Waterfall Dress in Purple 6 Yrs
£164.00 -

Ralph Lauren Girls Puffer Jacket in Navy US 3 – UK 3 Yrs Blue
Original price was: £249.00.£99.00Current price is: £99.00. -

Dulux Paint Mixing Silk Sapphire Springs 3, 2.5L
£36.49 -

Needle & Thread Girls Fifi Dress in Cream 10 Yrs Ivory
Original price was: £350.00.£175.00Current price is: £175.00. -

Gucci Girls Logo Bermuda Shorts 5 Yrs Brown
Original price was: £370.00.£148.00Current price is: £148.00. -

Palm Angels Girls POP PA Bear Tank Top in White 8 Yrs
Original price was: £135.00.£68.00Current price is: £68.00.
