- DIY Building Supplies
6 Boards x 90mm Celotex Thermaclass Cavity Wall 21 Insulation – 1190mm x 450mm
Thermaclass Cavity Wall 21 is an easy to install, high thermal performance polyisocyanurate (PIR) insulation board for full fill cavity wall applications, with a thermal conductivity of 0.021 W/m.K. It can be installed with up to a 10mm residual cavity (to support ease of installation and accommodate mortar squeeze) or as a full fill solution with no residual cavity. The boards have a low emissivity foil facing to each side and feature an engineered tongue and groove joint profile, helping to ensure a continuous layer of insulation to maximise thermal performance and provide protection from wind driven rain. Thickness: 90 mm Length: 1190 mm Width: 450 mm Coverage: 3.21 m² Thermal conductivity: 0.021 W/mK No Boards: 6 Country Origin: UK
Product Details
Thermaclass Cavity Wall 21 is an easy to install, high thermal performance polyisocyanurate (PIR) insulation board for full fill cavity wall applications, with a thermal conductivity of 0.021 W/m.K. It can be installed with up to a 10mm residual cavity (to support ease of installation and accommodate mortar squeeze) or as a full fill solution with no residual cavity. The boards have a low emissivity foil facing to each side and feature an engineered tongue and groove joint profile, helping to ensure a continuous layer of insulation to maximise thermal performance and provide protection from wind driven rain. Thickness: 90 mm Length: 1190 mm Width: 450 mm Coverage: 3.21 m² Thermal conductivity: 0.021 W/mK No Boards: 6 Country Origin: UK
| Product Name | 6 Boards x 90mm Celotex Thermaclass Cavity Wall 21 Insulation - 1190mm x 450mm |
| Brand | Celotex |
Popular products right now -
Self Portrait Girls Dot Mesh Tiered Dress in Blue 10 – 12 Yrs
Original price was: £210.00.£84.00Current price is: £84.00.
-
Dulux Paint Mixing Eggshell Quartz Flint 3, 500ml
£20.54
-
MSGM Girls Logo Print Leggings 6 Yrs Black
Original price was: £47.00.£19.00Current price is: £19.00.
-
iAMe Girls Tulle Tiered Dress in Cream 4 Yrs Ivory
Original price was: £85.00.£51.00Current price is: £51.00.
-
Giuseppe Junior Denim High Top Trainers EU 19 UK 3 Blue
Original price was: £340.00.£102.00Current price is: £102.00.
-
MARC JACOBS Girls Striped Logo Sliders in Multicolour EU 30 – UK 12 Pink
Original price was: £65.00.£39.00Current price is: £39.00.
-
Burberry Girls Dress 3 Yrs Beige
Original price was: £210.00.£126.00Current price is: £126.00.
-
Ralph Lauren Boys Long Sleeve Bear T-Shirt US L – UK 12 – 14 Yrs Blue
Original price was: £59.00.£36.00Current price is: £36.00.
-
Dulux Paint Mixing Weathershield Smooth Masonry Paint Teal Façade, 5L
£50.06
-
Dulux Paint Mixing Weathershield Quick Dry Exterior Gloss Marine Splash, 1L
£28.32
-
Dulux Paint Mixing Easycare Kitchen Matt Warm Pewter, 1L
£23.38
-
BOSS Boys Zip Up Top in Navy 10 Yrs Blue
Original price was: £105.00.£42.00Current price is: £42.00.
-
Guess Boys Shorts 18 Mths Grey
Original price was: £19.00.£8.00Current price is: £8.00.
-
Stella McCartney Boys Lizard Jersey Shorts in Green 2 Yrs
Original price was: £62.00.£31.00Current price is: £31.00.
-
Ralph Lauren Baby Boys Heritage Court II Trainers in White EU 19 UK 3.5 US 4
Original price was: £55.00.£28.00Current price is: £28.00.
-
Burberry Boys Bomber Jacket 8 Yrs Black
Original price was: £260.00.£156.00Current price is: £156.00.
-
Diesel Boys Logo T-Shirt in Green 6 Yrs
Original price was: £61.00.£31.00Current price is: £31.00.
-
Country Farm Mats & Coasters 4 Pack
£7.99
-
Veja Girls Suede V-10 Trainers EU 23 – UK 6 Multicoloured
£85.00
-
Mini Rodini Girls Rose Print Zip Up Swimsuit 8 – 9 Yrs Blue
Original price was: £60.00.£24.00Current price is: £24.00.
-
Dulux Paint Mixing Soft Sheen Steel Symphony 1, 2.5L
£36.49
-
Dsquared2 Unisex Cotton Shorts 6 Mths Black
Original price was: £105.00.£42.00Current price is: £42.00.
-
Burberry Kids Cotton Check Velcro Strap Trainers in Beige EU 29 UK 11
£290.00
-
Dolce & Gabbana Boys Logo Polo Shirt in Black 8 Yrs
£185.00
-
Guess Girls Crocheted Top in Multicolour 14 Yrs Multicoloured
£40.00
-
Mini Rodini Kids Skipper 6 Pack Socks in Multicolour EU 10 – 12 Pink
Original price was: £36.00.£14.00Current price is: £14.00.
-
BOSS Boys Striped Branded Polo Shirt 6 Yrs Brown
Original price was: £79.00.£40.00Current price is: £40.00.
-
Fendi Baby Boys FF Logo Slip On Shoes in Brown EU 16
£255.00
-
Monnalisa Girls Strawberry Skirt in White 4 Yrs
Original price was: £129.00.£95.00Current price is: £95.00.
-
Givenchy Boys 4G Logo Cloud Wash Denim Shorts in Blue 10 Yrs
Original price was: £309.00.£123.00Current price is: £123.00.
-
Dulux Paint Mixing Weathershield Quick Dry Exterior Satin Dove Slate, 1L
£33.96
-
BOSS Boys Long Sleeve Polo Shirt 5 Yrs Green
Original price was: £55.00.£28.00Current price is: £28.00.
-
Missoni Boys Zigzag T-Shirt in White 12 Yrs
Original price was: £96.00.£38.00Current price is: £38.00.
-
Bonpoint Boys Organic Cotton Bermuda Shorts 8 Yrs Red
Original price was: £85.00.£34.00Current price is: £34.00.
-
Molo Boys Hat – Niks Ocean Bucket Hat 12 – 24 Mths Blue
Original price was: £26.00.£11.00Current price is: £11.00.
-
Moschino Girls Teddy Bear Sweater Dress 8 Yrs Black
Original price was: £91.00.£55.00Current price is: £55.00.
-
Dulux Paint Mixing Eggshell Gipsy Bloom 3, 500ml
£20.54
-
Alukap-XR Aluminium End Stop Bar White / 6.4mm / 2.4m
£27.25
-
On Running Kids Cloud Play Trainers in Grey EU 27.5 UK 10 US 10.5
£80.00
-
Mini Melissa Girls Mini Possession Shiny Sandals in Pink EU 24 UK 7
£52.00
-
Self Portrait Girls Dot Mesh Tiered Dress in Blue 10 – 12 Yrs
Original price was: £210.00.£84.00Current price is: £84.00. -
Dulux Paint Mixing Eggshell Quartz Flint 3, 500ml
£20.54 -
MSGM Girls Logo Print Leggings 6 Yrs Black
Original price was: £47.00.£19.00Current price is: £19.00. -
iAMe Girls Tulle Tiered Dress in Cream 4 Yrs Ivory
Original price was: £85.00.£51.00Current price is: £51.00. -
Giuseppe Junior Denim High Top Trainers EU 19 UK 3 Blue
Original price was: £340.00.£102.00Current price is: £102.00. -
MARC JACOBS Girls Striped Logo Sliders in Multicolour EU 30 – UK 12 Pink
Original price was: £65.00.£39.00Current price is: £39.00. -
Burberry Girls Dress 3 Yrs Beige
Original price was: £210.00.£126.00Current price is: £126.00. -
Ralph Lauren Boys Long Sleeve Bear T-Shirt US L – UK 12 – 14 Yrs Blue
Original price was: £59.00.£36.00Current price is: £36.00. -
Dulux Paint Mixing Weathershield Smooth Masonry Paint Teal Façade, 5L
£50.06 -
Dulux Paint Mixing Weathershield Quick Dry Exterior Gloss Marine Splash, 1L
£28.32 -
Dulux Paint Mixing Easycare Kitchen Matt Warm Pewter, 1L
£23.38 -
BOSS Boys Zip Up Top in Navy 10 Yrs Blue
Original price was: £105.00.£42.00Current price is: £42.00. -
Guess Boys Shorts 18 Mths Grey
Original price was: £19.00.£8.00Current price is: £8.00. -
Stella McCartney Boys Lizard Jersey Shorts in Green 2 Yrs
Original price was: £62.00.£31.00Current price is: £31.00. -
Ralph Lauren Baby Boys Heritage Court II Trainers in White EU 19 UK 3.5 US 4
Original price was: £55.00.£28.00Current price is: £28.00. -
Burberry Boys Bomber Jacket 8 Yrs Black
Original price was: £260.00.£156.00Current price is: £156.00. -
Diesel Boys Logo T-Shirt in Green 6 Yrs
Original price was: £61.00.£31.00Current price is: £31.00. -
Country Farm Mats & Coasters 4 Pack
£7.99 -
Veja Girls Suede V-10 Trainers EU 23 – UK 6 Multicoloured
£85.00 -
Mini Rodini Girls Rose Print Zip Up Swimsuit 8 – 9 Yrs Blue
Original price was: £60.00.£24.00Current price is: £24.00. -
Dulux Paint Mixing Soft Sheen Steel Symphony 1, 2.5L
£36.49 -
Dsquared2 Unisex Cotton Shorts 6 Mths Black
Original price was: £105.00.£42.00Current price is: £42.00. -
Burberry Kids Cotton Check Velcro Strap Trainers in Beige EU 29 UK 11
£290.00 -
Dolce & Gabbana Boys Logo Polo Shirt in Black 8 Yrs
£185.00 -
Guess Girls Crocheted Top in Multicolour 14 Yrs Multicoloured
£40.00 -
Mini Rodini Kids Skipper 6 Pack Socks in Multicolour EU 10 – 12 Pink
Original price was: £36.00.£14.00Current price is: £14.00. -
BOSS Boys Striped Branded Polo Shirt 6 Yrs Brown
Original price was: £79.00.£40.00Current price is: £40.00. -
Fendi Baby Boys FF Logo Slip On Shoes in Brown EU 16
£255.00 -
Monnalisa Girls Strawberry Skirt in White 4 Yrs
Original price was: £129.00.£95.00Current price is: £95.00. -
Givenchy Boys 4G Logo Cloud Wash Denim Shorts in Blue 10 Yrs
Original price was: £309.00.£123.00Current price is: £123.00. -
Dulux Paint Mixing Weathershield Quick Dry Exterior Satin Dove Slate, 1L
£33.96 -
BOSS Boys Long Sleeve Polo Shirt 5 Yrs Green
Original price was: £55.00.£28.00Current price is: £28.00. -
Missoni Boys Zigzag T-Shirt in White 12 Yrs
Original price was: £96.00.£38.00Current price is: £38.00. -
Bonpoint Boys Organic Cotton Bermuda Shorts 8 Yrs Red
Original price was: £85.00.£34.00Current price is: £34.00. -
Molo Boys Hat – Niks Ocean Bucket Hat 12 – 24 Mths Blue
Original price was: £26.00.£11.00Current price is: £11.00. -
Moschino Girls Teddy Bear Sweater Dress 8 Yrs Black
Original price was: £91.00.£55.00Current price is: £55.00. -
Dulux Paint Mixing Eggshell Gipsy Bloom 3, 500ml
£20.54 -
Alukap-XR Aluminium End Stop Bar White / 6.4mm / 2.4m
£27.25 -
On Running Kids Cloud Play Trainers in Grey EU 27.5 UK 10 US 10.5
£80.00 -
Mini Melissa Girls Mini Possession Shiny Sandals in Pink EU 24 UK 7
£52.00
