Celotex

Elevate your insulation standards with Celotex, a leading name in advanced thermal solutions. At Insulation4Less, our Celotex collection offers high-performance insulation boards tailored for walls, roofs, and floors. Known for their exceptional thermal efficiency and environmental friendliness, Celotex products are ideal for both new builds and refurbishments. With a range of thicknesses and sizes, Celotex ensures your project meets energy-saving objectives effortlessly. Make a smart choice for a sustainable future with Celotex. Browse our range below.
Celotex 25mm TB4025 2.4m x 1.2m
Celotex 25mm TB4025 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£11.90 £14.28
Sale price
£11.90 £14.28
Regular price
£0.00
Unit price
per 
Sold out
Celotex 30mm TB4030 2.4m x 1.2m
Celotex 30mm TB4030 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£14.00 £16.80
Sale price
£14.00 £16.80
Regular price
£16.92
Unit price
per 
Sold out
Celotex 40mm TB4040 2.4m x 1.2m
Celotex 40mm TB4040 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£17.00 £20.40
Sale price
£17.00 £20.40
Regular price
£20.46
Unit price
per 
Sold out
Celotex 50mm GA4050 2.4m x 1.2m
Celotex 50mm GA4050 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£17.49 £20.99
Sale price
£17.49 £20.99
Regular price
£0.00
Unit price
per 
Sold out
Celotex 60mm GA4060 2.4m x 1.2m
Celotex 60mm GA4060 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£22.90 £27.48
Sale price
£22.90 £27.48
Regular price
£0.00
Unit price
per 
Sold out
70mm Celotex GA4070 2.4m x 1.2m
70mm Celotex GA4070 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£25.50 £30.60
Sale price
£25.50 £30.60
Regular price
£30.83
Unit price
per 
Sold out
75mm Celotex GA4075 2.4m x 1.2m
75mm Celotex GA4075 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£24.90 £29.88
Sale price
£24.90 £29.88
Regular price
£0.00
Unit price
per 
Sold out
80mm Celotex GA4080 2.4m x 1.2m
80mm Celotex GA4080 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£27.89 £33.47
Sale price
£27.89 £33.47
Regular price
£0.00
Unit price
per 
Sold out
90mm Celotex GA4090 2.4m x 1.2m
90mm Celotex GA4090 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£29.99 £35.99
Sale price
£29.99 £35.99
Regular price
£0.00
Unit price
per 
Sold out
Celotex 110mm XR4110 2.4m x 1.2m
Celotex 110mm XR4110 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£37.84 £45.41
Sale price
£37.84 £45.41
Regular price
£0.00
Unit price
per 
Sold out
Celotex 120mm XR4120 2.4m x 1.2m
Celotex 120mm XR4120 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£38.30 £45.96
Sale price
£38.30 £45.96
Regular price
£0.00
Unit price
per 
Sold out
130mm Celotex XR4130 2.4m x 1.2m
130mm Celotex XR4130 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£44.70 £53.64
Sale price
£44.70 £53.64
Regular price
£0.00
Unit price
per 
Sold out
140mm Celotex XR4140 Insulation Board 2.4m x 1.2m
140mm Celotex XR4140 Insulation Board 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£44.95 £53.94
Sale price
£44.95 £53.94
Regular price
£0.00
Unit price
per 
Sold out
150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm
150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
Vendor
Celotex
Regular price
£44.95 £53.94
Sale price
£44.95 £53.94
Regular price
£0.00
Unit price
per 
Sold out
Celotex CW4040 Cavity Wall Fill 40mm
Celotex CW4040 Cavity Wall Fill 40mm Cavity wall Insulation
Vendor
Celotex
Regular price
£75.80 £90.96
Sale price
£75.80 £90.96
Regular price
£0.00
Unit price
per 
Sold out
Celotex CW4050 50mm x 1.2m x 0.45m - 5.94m2
Celotex CW4050 50mm x 1.2m x 0.45m - 5.94m2 Cavity wall Insulation
Vendor
Celotex
Regular price
£44.30 £53.16
Sale price
£44.30 £53.16
Regular price
£0.00
Unit price
per 
Sold out
Celotex CW4060 60mm
Celotex CW4060 60mm Cavity wall Insulation
Vendor
Celotex
Regular price
£79.12 £94.94
Sale price
£79.12 £94.94
Regular price
£0.00
Unit price
per 
Sold out
12mm Celotex TB4012 2.4m x 1.2m
12mm Celotex TB4012 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£0.00 £0.00
Sale price
£0.00 £0.00
Regular price
£0.00
Unit price
per 
Sold out
Celotex 20mm TB4020 2.4m x 1.2m
Celotex 20mm TB4020 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£15.45 £18.54
Sale price
£15.45 £18.54
Regular price
£0.00
Unit price
per 
Sold out
Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12)
Celotex 165mm XR4165 2.4m x 1.2m (Pallet of 12) Wall Insulation
Vendor
Celotex
Regular price
£729.90 £875.88
Sale price
£729.90 £875.88
Regular price
£0.00
Unit price
per 
Sold out
Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12)
Celotex XR4200 200mm x 2.4m x 1.2m (Pallet of 12) Loft Insulation
Vendor
Celotex
Regular price
£952.28 £1,142.74
Sale price
£952.28 £1,142.74
Regular price
£0.00
Unit price
per 
Sold out
Celotex PL4025 37.5mm 2.4m x 1.2m
Celotex PL4025 37.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£34.99 £41.99
Sale price
£34.99 £41.99
Regular price
£0.00
Unit price
per 
Sold out
Celotex PL4040 52.5mm 2.4m x 1.2m
Celotex PL4040 52.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£41.56 £49.87
Sale price
£41.56 £49.87
Regular price
£0.00
Unit price
per 
Sold out
Celotex PL4050 62.5mm 2.4m x 1.2m
Celotex PL4050 62.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£47.22 £56.66
Sale price
£47.22 £56.66
Regular price
£0.00
Unit price
per 
Sold out
Celotex PL4060 72.5mm 2.4m x 1.2m
Celotex PL4060 72.5mm 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£52.20 £62.64
Sale price
£52.20 £62.64
Regular price
£0.00
Unit price
per 
Sold out
Celotex CW4075 75mm x 1200mm x 450mm - 4.32m2
Celotex CW4075 75mm x 1200mm x 450mm - 4.32m2 Cavity wall Insulation
Vendor
Celotex
Regular price
£45.70 £54.84
Sale price
£45.70 £54.84
Regular price
£0.00
Unit price
per 
Sold out
Celotex CW4100 100mm x 1.2m x 0.45m - 3.24m2
Celotex CW4100 100mm x 1.2m x 0.45m - 3.24m2 Cavity wall Insulation
Vendor
Celotex
Regular price
£44.90 £53.88
Sale price
£44.90 £53.88
Regular price
£0.00
Unit price
per 
Sold out
Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes)
Celotex GA4000 General Purpose PIR Insulation Board 2.4m x 1.2m (All Sizes) Floor Insulation
Vendor
Celotex
Regular price
from £11.90 £14.28
Sale price
from £11.90 £14.28
Regular price
£16.92
Unit price
per 
Sold out
Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex
Celotex 100mm GA4100 2.4m x 1.2m | 100mm Celotex Floor Insulation
Vendor
Celotex
Regular price
£29.50 £35.40
Sale price
£29.50 £35.40
Regular price
£0.00
Unit price
per 
Sold out
Celotex CW4085 85mm (Pallet Of 112 Sheets)
Celotex CW4085 85mm Cavity wall Insulation
Vendor
Celotex
Regular price
£865.00 £1,038.00
Sale price
£865.00 £1,038.00
Regular price
£0.00
Unit price
per 
Sold out
Celotex XR4000 Insulation Board 1.2m x 2.4m - 110mm to 200mm
Celotex XR4000 Insulation Board 1.2m x 2.4m - 110mm to 200mm Loft Insulation
Vendor
Celotex
Regular price
from £37.84 £45.41
Sale price
from £37.84 £45.41
Regular price
£0.00
Unit price
per 
Sold out
Celotex TB4000 Insulation Board 1.2m x 2.4m - 25mm to 40mm
Celotex TB4000 Insulation Board 1.2m x 2.4m - 25mm to 40mm Floor Insulation
Vendor
Celotex
Regular price
from £11.90 £14.28
Sale price
from £11.90 £14.28
Regular price
£16.92
Unit price
per 
Sold out
Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes
Celotex CW4000 Cavity Wall Insulation Board 450mm x 1200mm - All Sizes Cavity wall Insulation
Vendor
Celotex
Regular price
from £44.30 £53.16
Sale price
from £44.30 £53.16
Regular price
£0.00
Unit price
per 
Sold out
Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m
Celotex PL4000 Insulated Plasterboard (All Sizes) 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
from £34.99 £41.99
Sale price
from £34.99 £41.99
Regular price
£0.00
Unit price
per 
Sold out
Celotex Crown-Fix Flat Roof PIR Insulation 2.7m x 25m - All Sizes
Celotex Crown-Fix Flat Roof PIR Insulation 2.7m x 25m - All Sizes All Insulation
Vendor
Celotex
Regular price
from £857.06 £1,028.47
Sale price
from £857.06 £1,028.47
Regular price
£0.00
Unit price
per 
Sold out
Celotex Crown-Up Flat Roof PIR Insulation - All Sizes
Celotex Crown-Up Flat Roof PIR Insulation 1.5m x 12.20m - All Sizes All Insulation
Vendor
Celotex
Regular price
from £613.35 £736.02
Sale price
from £613.35 £736.02
Regular price
£0.00
Unit price
per 
Sold out
Thermaclass Cavity Wall 21 (1190mm x 450mm) - All Sizes
Thermaclass Cavity Wall 21 (1190mm x 450mm) - All Sizes Insulation
Vendor
Celotex
Regular price
from £1,122.22 £1,346.66
Sale price
from £1,122.22 £1,346.66
Regular price
£0.00
Unit price
per 
Sold out

Celotex offers a comprehensive range of insulation solutions suitable for a variety of applications, including walls, floors, roofs, and cavity walls. Known for its high-quality polyisocyanurate (PIR) insulation boards, Celotex products are distinguished by their excellent thermal performance, ease of installation, and environmentally friendly attributes.

General Purpose PIR Insulation Boards (GA4000 Series)

  • Thickness Range: 25mm to 200mm
  • Size: 2.4m x 1.2m
  • Features: Versatile for floors, walls, and roofs. Low emissivity foil face, class 1 fire rating, environmentally friendly, durable, and lightweight.
  • Practical Use: Ideal for general building applications, including retrofit and new construction.

     

TB4000 Insulation Boards

  • Thickness Range: 25mm to 40mm
  • Size: 2.4m x 1.2m
  • Features: Lightweight, easy to install with high tensile strength. Fire and water-resistant, eco-friendly.
  • Practical Use: Suitable for overcoming thermal bridging and for use in multiple applications like wall and floor systems.

     

XR4000 Insulation Boards

  • Thickness Range: 110mm to 200mm
  • Size: 1.2m x 2.4m
  • Features: High thermal performance, cut-to-fit for rafters/joists, environmentally friendly.
  • Practical Use: Ideal for projects requiring thicker insulation, such as in areas with limited space but high insulation requirements.

     

CW4000 Cavity Wall Insulation Boards

  • Thickness Range: 40mm to 100mm
  • Sizes: Varies, with typical size being 450mm x 1200mm
  • Features: Thermal conductivity of 0.022 W/mK, Aluminium Foil Facings, eco-friendly with low GWP and zero ODP.
  • Practical Use: Specifically designed for cavity wall applications, providing excellent thermal efficiency in this space.

     

PL4000 Insulated Plasterboard

  • Thickness Range: 37.5mm to 72.5mm
  • Size: 2.4m x 1.2m
  • Features: Combines insulation with plasterboard for a quick installation. Ideal for internal drylining applications.
  • Practical Use: Suitable for refurbishment projects where both insulation and dry lining are required.

     

Specialized Flat Roof Insulation (Crown-Fix and Crown-Up)

  • Sizes: Varies
  • Features: Specifically designed for flat roof applications.
  • Practical Use: Crown-Fix is suitable for mechanically fixed systems, while Crown-Up is designed for bonded single-ply systems.

     

Thermaclass Cavity Wall 21

  • Sizes: 1190mm x 450mm (varies)
  • Features: A specific product for thermal efficiency in cavity wall applications.
  • Practical Use: Ideal for new construction where high performance in cavity walls is a priority.

     

Selecting the Right Product

When choosing the appropriate Celotex product, consider the following factors:

  • Application Area: Identify if the insulation is for walls, floors, roofs, or cavity walls.
  • Thickness Requirements: Different projects require different levels of insulation thickness.
  • Building Regulations: Ensure compliance with local building codes and regulations.
  • Environmental Considerations: Opt for eco-friendly options if sustainability is a priority.

     

Celotex products, with their diverse range and high-quality attributes, cater to a wide array of insulation needs, offering effective solutions for both residential and commercial properties.

Read More
We use cookies to improve your user experience. View Privacy Policy
Accept