- 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 -

BOSS Baby Boys Polo Romper in Blue 6 Mths
Original price was: £75.00.£38.00Current price is: £38.00.
-

Hunter Unisex Cosmic Rain Boots EU 32 UK 13 Silver
£55.00
-

Dulux Colour Tester Chic Lilac, 30ML
£2.38
-

Ralph Lauren Boys Logo Polo Shirt in Blue US 3 – UK 2 Yrs
Original price was: £89.00.£62.00Current price is: £62.00.
-

Moncler Enfant Baby Logo Tracksuit in Grey 3 – 6 Mths
£235.00
-

Moschino Kids Maxi Logo Sweatshirt in Black 14 Yrs
£115.00
-

Dulux Paint Mixing Satinwood California Days, 1L
£33.96
-

Moschino Girls Cotton T-Shirt And Leggings Set 14 Yrs Pink
Original price was: £200.00.£80.00Current price is: £80.00.
-

EA7 Emporio Armani Boys Gold Logo T-Shirt in Black 12 Yrs
Original price was: £45.00.£31.00Current price is: £31.00.
-

Off-White Girls Off Stamp Ribbed Tank Dress in Black 10 Yrs
Original price was: £180.00.£90.00Current price is: £90.00.
-

Dulux Colour Tester Liberty Blue 3, 30ML
£2.38
-

Needle & Thread Girls Matilda Dress in Gold 4 Yrs
£250.00
-

Pucci Baby Girls Merino Wool Logo Scarf 6 – 12 Mths Pink
Original price was: £85.00.£34.00Current price is: £34.00.
-

Moncler Enfant Girls Down Padded Charpal Long Coat 6 Yrs Black
£505.00
-

Moncler Enfant Moncler Boys Down Padded Coat 14 Yrs Green
£745.00
-

DKNY Kids Batman Logo T-Shirt in Black 12 Yrs
Original price was: £49.00.£25.00Current price is: £25.00.
-

Dolce & Gabbana Unisex Logo Slip-On Trainers EU 31 UK 12.5 Brown
Original price was: £235.00.£141.00Current price is: £141.00.
-

Dulux Colour Tester Volcanic Red, 30ML
£2.38
-

62L Sensor Recycling Bin
Original price was: £169.99.£69.99Current price is: £69.99.
-

Havaianas Kids White & Navy New Baby Chic Flip Flops EU 25-26 BR 23-24 UK 7 Blue
Original price was: £16.00.£7.00Current price is: £7.00.
-

Burberry Kids Beige & White Vintage Check Trainers EU 31 UK 12.5 Brown
£170.00
-

Chloé Girls Denim Braided Skirt in Blue 6 Yrs
£195.00
-

Dulux Paint Mixing Easycare Washable & Tough Matt Sulphur Springs 5, 5L
£67.06
-

Tommy Hilfiger Boys Medium Drawstring Swim Shorts in Pink 10 – 12 Yrs
£41.00
-

Gucci Baby Girls Romper Gift Set (3 Piece) 0 – 3 Mths Pink
Original price was: £250.00.£150.00Current price is: £150.00.
-

Palm Angels Girls Classic Logo Sweatshirt 8 Yrs Pink
Original price was: £200.00.£90.00Current price is: £90.00.
-

Dulux Paint Mixing Weathershield Smooth Masonry Paint Ash Grape, 5L
£50.06
-

Dulux Simply Refresh One Coat Matt Magnolia, 2.5L
£47.62
-

DKNY Kids Logo Dungarees in White 5 Yrs
Original price was: £89.00.£62.00Current price is: £62.00.
-

Dulux Paint Mixing Easycare Washable & Tough Matt Alpine Flowers, 5L
£67.06
-

Burberry Baby Boys Joggers 12 Mths Blue
Original price was: £140.00.£56.00Current price is: £56.00.
-

Tommy Hilfiger Boys Essential T-Shirt in Blue 7 Yrs
Original price was: £18.00.£13.00Current price is: £13.00.
-

Versace Baby Girls Leather Shoes in White EU 17 UK 1
Original price was: £200.00.£80.00Current price is: £80.00.
-

Chloé Girls Waist Tie T-Shirt in Ivory 3 Yrs
£90.00
-

Balmain Kids Leather Belt in Black 8 – 10 Yrs
Original price was: £176.00.£70.00Current price is: £70.00.
-

Tommy Hilfiger Boys Logo Sweatpants in Navy 14 Yrs Blue
Original price was: £60.00.£42.00Current price is: £42.00.
-

Dolce & Gabbana Boys Coin Print T-Shirt in Brown 5 Yrs
Original price was: £215.00.£108.00Current price is: £108.00.
-

Dsquared2 Boys Icon Sliders EU 27 UK 9 Black
Original price was: £74.00.£38.00Current price is: £38.00.
-

DOUBLE DUVET COVER Waffle Squares Jacquard Silver
Original price was: £49.99.£24.99Current price is: £24.99.
-

BOSS Baby Boys Polo Romper in Blue 6 Mths
Original price was: £75.00.£38.00Current price is: £38.00. -

Hunter Unisex Cosmic Rain Boots EU 32 UK 13 Silver
£55.00 -

Dulux Colour Tester Chic Lilac, 30ML
£2.38 -

Ralph Lauren Boys Logo Polo Shirt in Blue US 3 – UK 2 Yrs
Original price was: £89.00.£62.00Current price is: £62.00. -

Moncler Enfant Baby Logo Tracksuit in Grey 3 – 6 Mths
£235.00 -

Moschino Kids Maxi Logo Sweatshirt in Black 14 Yrs
£115.00 -

Dulux Paint Mixing Satinwood California Days, 1L
£33.96 -

Moschino Girls Cotton T-Shirt And Leggings Set 14 Yrs Pink
Original price was: £200.00.£80.00Current price is: £80.00. -

EA7 Emporio Armani Boys Gold Logo T-Shirt in Black 12 Yrs
Original price was: £45.00.£31.00Current price is: £31.00. -

Off-White Girls Off Stamp Ribbed Tank Dress in Black 10 Yrs
Original price was: £180.00.£90.00Current price is: £90.00. -

Dulux Colour Tester Liberty Blue 3, 30ML
£2.38 -

Needle & Thread Girls Matilda Dress in Gold 4 Yrs
£250.00 -

Pucci Baby Girls Merino Wool Logo Scarf 6 – 12 Mths Pink
Original price was: £85.00.£34.00Current price is: £34.00. -

Moncler Enfant Girls Down Padded Charpal Long Coat 6 Yrs Black
£505.00 -

Moncler Enfant Moncler Boys Down Padded Coat 14 Yrs Green
£745.00 -

DKNY Kids Batman Logo T-Shirt in Black 12 Yrs
Original price was: £49.00.£25.00Current price is: £25.00. -

Dolce & Gabbana Unisex Logo Slip-On Trainers EU 31 UK 12.5 Brown
Original price was: £235.00.£141.00Current price is: £141.00. -

Dulux Colour Tester Volcanic Red, 30ML
£2.38 -

62L Sensor Recycling Bin
Original price was: £169.99.£69.99Current price is: £69.99. -

Havaianas Kids White & Navy New Baby Chic Flip Flops EU 25-26 BR 23-24 UK 7 Blue
Original price was: £16.00.£7.00Current price is: £7.00. -

Burberry Kids Beige & White Vintage Check Trainers EU 31 UK 12.5 Brown
£170.00 -

Chloé Girls Denim Braided Skirt in Blue 6 Yrs
£195.00 -

Dulux Paint Mixing Easycare Washable & Tough Matt Sulphur Springs 5, 5L
£67.06 -

Tommy Hilfiger Boys Medium Drawstring Swim Shorts in Pink 10 – 12 Yrs
£41.00 -

Gucci Baby Girls Romper Gift Set (3 Piece) 0 – 3 Mths Pink
Original price was: £250.00.£150.00Current price is: £150.00. -

Palm Angels Girls Classic Logo Sweatshirt 8 Yrs Pink
Original price was: £200.00.£90.00Current price is: £90.00. -

Dulux Paint Mixing Weathershield Smooth Masonry Paint Ash Grape, 5L
£50.06 -

Dulux Simply Refresh One Coat Matt Magnolia, 2.5L
£47.62 -

DKNY Kids Logo Dungarees in White 5 Yrs
Original price was: £89.00.£62.00Current price is: £62.00. -

Dulux Paint Mixing Easycare Washable & Tough Matt Alpine Flowers, 5L
£67.06 -

Burberry Baby Boys Joggers 12 Mths Blue
Original price was: £140.00.£56.00Current price is: £56.00. -

Tommy Hilfiger Boys Essential T-Shirt in Blue 7 Yrs
Original price was: £18.00.£13.00Current price is: £13.00. -

Versace Baby Girls Leather Shoes in White EU 17 UK 1
Original price was: £200.00.£80.00Current price is: £80.00. -

Chloé Girls Waist Tie T-Shirt in Ivory 3 Yrs
£90.00 -

Balmain Kids Leather Belt in Black 8 – 10 Yrs
Original price was: £176.00.£70.00Current price is: £70.00. -

Tommy Hilfiger Boys Logo Sweatpants in Navy 14 Yrs Blue
Original price was: £60.00.£42.00Current price is: £42.00. -

Dolce & Gabbana Boys Coin Print T-Shirt in Brown 5 Yrs
Original price was: £215.00.£108.00Current price is: £108.00. -

Dsquared2 Boys Icon Sliders EU 27 UK 9 Black
Original price was: £74.00.£38.00Current price is: £38.00. -

DOUBLE DUVET COVER Waffle Squares Jacquard Silver
Original price was: £49.99.£24.99Current price is: £24.99.

