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Celotex Floor Insulation

Check out our full range of Celotex insulation products below. We have PIR insulation board in sizes from 12mm up to 200mm. We also have special order products available. If you need help in selecting the correct Celotex product to use for your requirements please feel free to contact us on 0203 582 6399 or sales@insulation4less.co.uk.
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 £11.00 £13.20
Sale price
from £11.00 £13.20
Regular price
£0.00
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Celotex 50mm GA4050 2.4m x 1.2m
Celotex 50mm GA4050 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£16.40 £19.68
Sale price
£16.40 £19.68
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£0.00
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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
£28.00 £33.60
Sale price
£28.00 £33.60
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£0.00
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Celotex 25mm TB4025 2.4m x 1.2m
Celotex 25mm TB4025 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£11.00 £13.20
Sale price
£11.00 £13.20
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£0.00
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75mm Celotex GA4075 2.4m x 1.2m
75mm Celotex GA4075 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£22.90 £27.48
Sale price
£22.90 £27.48
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£0.00
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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 £11.00 £13.20
Sale price
from £11.00 £13.20
Regular price
£0.00
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per 
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Celotex 120mm XR4120 2.4m x 1.2m
Celotex 120mm XR4120 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£34.99 £41.99
Sale price
£34.99 £41.99
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£0.00
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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
£42.50 £51.00
Sale price
£42.50 £51.00
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£0.00
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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 £34.99 £41.99
Sale price
from £34.99 £41.99
Regular price
£0.00
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Celotex 40mm TB4040 2.4m x 1.2m
Celotex 40mm TB4040 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£15.50 £18.60
Sale price
£15.50 £18.60
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£0.00
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70mm Celotex GA4070 2.4m x 1.2m
70mm Celotex GA4070 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£23.00 £27.60
Sale price
£23.00 £27.60
Regular price
£0.00
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90mm Celotex GA4090 2.4m x 1.2m
90mm Celotex GA4090 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£28.75 £34.50
Sale price
£28.75 £34.50
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£0.00
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Celotex 60mm GA4060 2.4m x 1.2m
Celotex 60mm GA4060 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£21.00 £25.20
Sale price
£21.00 £25.20
Regular price
£0.00
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Celotex 30mm TB4030 2.4m x 1.2m
Celotex 30mm TB4030 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£12.50 £15.00
Sale price
£12.50 £15.00
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£0.00
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80mm Celotex GA4080 2.4m x 1.2m
80mm Celotex GA4080 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£26.20 £31.44
Sale price
£26.20 £31.44
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£0.00
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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
£42.50 £51.00
Sale price
£42.50 £51.00
Regular price
£0.00
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per 
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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
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£0.00
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Celotex 20mm TB4020 2.4m x 1.2m
Celotex 20mm TB4020 2.4m x 1.2m Wall Insulation
Vendor
Celotex
Regular price
£11.70 £14.04
Sale price
£11.70 £14.04
Regular price
£0.00
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130mm Celotex XR4130 2.4m x 1.2m
130mm Celotex XR4130 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£41.50 £49.80
Sale price
£41.50 £49.80
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£0.00
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Celotex 110mm XR4110 2.4m x 1.2m
Celotex 110mm XR4110 2.4m x 1.2m Floor Insulation
Vendor
Celotex
Regular price
£37.00 £44.40
Sale price
£37.00 £44.40
Regular price
£0.00
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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
£737.00 £884.40
Sale price
£737.00 £884.40
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£0.00
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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
£1,018.80 £1,222.56
Sale price
£1,018.80 £1,222.56
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£0.00
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Insulation4Less proudly presents an extensive range of Celotex Floor Insulation products, curated meticulously to meet the diverse needs of our clientele. Famed for its stellar reputation in providing high-quality Polyisocyanurate (PIR) insulation boards, Celotex offers a versatile collection ensuring top-tier thermal performance across a spectrum of floor insulation applications.

General Purpose PIR Insulation Boards

The Celotex GA4000 Series, encompassing various thickness options like 25mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, and 100mm, serves as a one-stop solution for multiple applications, including roof, wall, and floor insulation. These general-purpose boards are well-regarded for their:

  • Versatility: Capable of meeting U-value requirements when used singularly or in combination.
  • Thermal Efficacy: High performance in varied temperature scenarios.
  • Ease of Installation: Lightweight and simple to fit.

     

Utilise the GA4000 series for floating floors, solid floors, and timber floors, ensuring an envelope of energy-efficient insulation across your build.

Premium Performance PIR Insulation

The Celotex XR4000 Series, available in substantial thicknesses like 110mm, 120mm, 130mm, 140mm, 150mm, 165mm, and up to 200mm, might just be your go to. Its robustness and premium thermal efficiency make it apt for:

  • Hefty Applications: Particularly suitable for projects demanding high thicknesses without compromising on performance.
  • Specialised Uses: Ideal for heavy-duty floor insulation applications where higher thermal resistance is paramount.

     

These boards, due to their thickness and thermal capabilities, stand out for applications in larger construction or industrial spaces.

High Performance Thin Insulation

The Celotex TB4000 Series, available in slender profiles like 12mm, 20mm, 25mm, 30mm, and 40mm, provide exceptional solutions when minimal intrusion into floor space is crucial. Some characteristics and uses include:

  • Space Efficiency: Optimal for situations where installation space is restricted.
  • Enhanced Thermal Bridging: Assists in reducing thermal bridges due to its slim profile.

     

This series adeptly complements applications where space conservation and enhanced thermal bridging are crucial, such as underfloor heating systems or upper-floor levels in residential settings.

How to Choose the Right Celotex Floor Insulation

Selecting the optimal Celotex insulation entails considering various factors:

  • U-Value Requirements: Ensure your choice meets the U-value requirements set by building regulations.
  • Application Type: Differentiate whether the application is for a new build, retrofit, or a specific installation like underfloor heating.

     

Floor Type: Consider whether the floor is solid, suspended, or a different type, as this influences the insulation method.

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