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25mm Celotex TB4000 PIR Insulation Board - TB4025

25mm Celotex TB4000 PIR Insulation Board - TB4025
25mm Celotex TB4000 PIR Insulation Board - TB4025
Price: £10.25 (£12.30 inc VAT)
Price per m2: £3.56/m2 (£4.27 inc VAT)
  • Product Code: A1-112
  • Delivery Time: 1-3 working days
  • If you need less than minimum order quantity please contact us.
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model: 1200x2400mm - 2.88m2
  • Weight: 3.02kg
Our ratings on 22-01-2026:
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4.8 out of 5
This product has a minimum quantity of 18. If you need less - request a quote.
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25mm Celotex TB4000 PIR Insulation Board - TB4025

Width: 1200mm
Length: 2400mm
Coverage: 2.88m2
Density: 42kg/m3
Weight/m2: 1.05kg
Weight: 3.02kg
Compressive Strength: 120kPa
Thermal Conductivity: 0.023W/mK
R-Value: 1.1m2K/W

Celotex TB4025 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 TB3025

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
40mm Celotex CW4040 - Rigid PIR Cavity Insulation Board (pack of 14) CW4000
Guide Price
Brand: Celotex Model: 1200mm x 450mm - 7.56m2
Delivery Time: 1 - 5 working days
40mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigid pol..
Guide Price: £70.53
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60mm Celotex CW4060 - Rigid PIR Cavity Insulation Board (pack of 10) CW4000
Guide Price
Brand: Celotex Model: 1200mm x 450mm - 4.32m2
Delivery Time: 1 - 5 working days
60mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigi..
Guide Price: £68.79
£82.55 inc VAT
Brand: Celotex Model: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
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 manufac..
£33.75
£40.50 inc VAT
Brand: Celotex Model: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
65mm Celotex GA4065 is a multi-purpose insulation board that provides a solution to overcome localized thermal bridges. Featuring a low emissivity foil facings, this board has been manufactured from tough polyisocyanurate (PIR) using a perfect mix of certain blowing agents which have zero ozone depl..
Brand: Celotex Model: 1200x450mm - 3.78m2
Delivery Time: 1 - 5 working days
70mm Celotex CW4000 is an insulation board aimed specifically at partial fill cavity wall applications. It comprises a polyisocyanurate rigid foam insulation core, with a thermal conductivity of 0.022 W/mK and low emissivity aluminium foil facings on both sides. CW4000 is manufactured from rigi..
Brand: Celotex Model: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
80mm Celotex GA4080 is a multi-purpose insulation board that provides a solution to overcome localized thermal bridges. Featuring a low emissivity foil facings, this board has been manufactured from tough polyisocyanurate (PIR) using a perfect mix of certain blowing agents which have zero ozone depl..
£23.54
£28.25 inc VAT
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