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Insulated Render Systems

20mm Celotex TB4000 PIR Insulation Board - TB4020

20mm Celotex TB4000 PIR Insulation Board - TB4020
20mm Celotex TB4000 PIR Insulation Board - TB4020
Price: £33.75 (£40.50 inc VAT)
Price per m2: £11.72/m2 (£14.06 inc VAT)
  • Product Code: A1-111
  • Delivery Time: 1-3 working days
  • Brand: Celotex
    • (Tech. support: 01473820850)
  • Model and Size: 1200x2400mm - 2.88m2
  • Weight: 2.42kg
Our ratings on 01-08-2025:
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4.8 out of 5
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20mm Celotex TB4000 PIR Insulation Board - TB4020

Width: 1200mm
Length: 2400mm
Coverage: 2.88m2
Density: 42kg/m3
Weight/m2: 0.84kg
Weight: 2.42kg
Compressive Strength: 120kPa
Thermal Conductivity: 0.023W/mK
R-Value: 0.9m2K/W

Celotex TB4020 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. TB4012 is also appropriate for use in floors and walls. With low emissivity foil facings, TB4012 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP).

Note:

  • Would also be known as TB3012 from January 2018.

APPLICATIONS

  • Pitched Roofs
  • Flat Roofs
  • Solid Masonry Walls
  • Timber Framed & Steel Framed Systems
  • Floors
CHARACTERISTICS
  • Specifically designed to eliminate thermal bridges
  • The thinnest PIR insulation
  • Standard board size of 1200mm x 2400mm
  • Easy to cut and shape
  • Low emissivity foil facings giving improved thermal insulation
  • High performance within cavity air spaces
  • Long-term energy savings for buildings
CERTIFICATION
  • CE marking compliance to BS EN 13165
  • Manufactured in accordance with quality management system ISO 9001 and environmental management system ISO 14001
  • Achieves an A+ rating when compared to the BRE Green Guide 2008
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Delivery Time: 1 - 5 working days
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125mm Celotex FI5000 Underfloor Heating Insulation Board (pack of 9) - pallet of 2 packs
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Delivery Time: Out Of Stock
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125mm Celotex FI5000 is a premium flooring insulation board with enhanced thermal performance as well as an A rating when compared to the BRE Green Guide and an innovative cement compatible composite facer with a built-in vapour control layer (VCL), enabling direct screed, without the need for an ad..
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140mm Celotex XR4000 PIR Insulation Board - XR4140
Brand: Celotex Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
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Celotex XR4140 is targeted at cut-to-fit applications between rafters or joists and enables users to achieve lower U-values with a single layer of insulation than has previously been possible. XR4140 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4140 is ma..
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140mm Celotex TC3000 Flat Roof Board - Torch on (pack of 3)
Brand: Celotex Model and Size: 1200 x 600 - 2.16m2
Delivery Time: 3 - 5 days
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125mm Celotex FF4000 Underfloor Heating Board (pack of 9) - pallet of 2 packs
Brand: Celotex Model and Size: FF4000 1200x2400 - 51.84m2
Delivery Time: 3 - 5 days
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125mm Celotex FF4000 Underfloor Heating Board (pack of 9) | FF 4125 Size: 1200mm x 2400mm Area per pack: 25.92m2 Thermal conductivity: 0.022 W/Mk R-Value: 5.65m2K/W Compressive strength: ≥150kPa Water vapour resistance: >150 MNs/g Weight: 4.21kg/m2 &..
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75mm Celotex FF4000 Underfloor Heating Board (pack of 16) - pallet of 2 packs
Brand: Celotex Model and Size: FF4000 1200x2400 - 92.16m2
Delivery Time: 3 - 5 days
75mm Celotex FF4000 Underfloor Heating Board (pack of 16) - pallet of 2 packs
75mm Celotex FF4000 Underfloor Heating Board (pack of 16) Size: 1200mm x 2400mm Area per pack: 46.08m2 Thermal conductivity: 0.022 W/Mk R-Value: 3.40m2K/W Compressive strength: ≥150kPa Water vapour resistance: >150 MNs/g Weight: 2.61kg/m2   ..
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