100mm Celotex GA4000 PIR Insulation Board - GA4100

100mm Celotex GA4000 PIR Insulation Board - GA4100
Guide Price
100mm Celotex GA4000 PIR Insulation Board - GA4100
Guide Price: £46.18 (£55.42 inc VAT)
Price per m2: £16.03/m2 (£19.24 inc VAT)
  • Product Code: A1-124
  • Delivery Time: 1-3 working days
  • Brand: Celotex (Tech. support: 01473820850)
  • Model: 2400x1200mm - 2.88m2
  • Weight: 8.93kg
Our ratings on 02-10-2026:
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4.8 out of 5

100mm Celotex GA4000 PIR Insulation Board - GA4100

Width: 1200mm
Length: 2400mm
Density: 31kg/m3
Weight/m2: 3.1kg
Weight: 8.93kg
Thermal Conductivity: 0.022W/mK
R-Value: 4.5m2K/W
Compressive Strength: 120kPa

100mm Celotex GA4100 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 depletion potential (zero ODP) and a low global warming impact (GWP). Celotex GA4100 is suitable for use in a number of applications including roof, wall, and floor systems.

Note: Would also be known as GA3100 from January 2018.

APPLICATIONS
  • Pitched Roofs
  • Flat Roofs
  • Solid Masonry Walls
  • Timber Framed & Steel Framed Systems
  • Floors
CHARACTERISTICS
  • Eliminate thermal bridges
  • Available in a standard board size of 1200mm x 2400mm
  • Easy to cut and shape
  • Has excellent dimensional stability
  • Low emissivity foil facings giving improved thermal insulation
  • High performance within cavity air spaces
  • Provides reliable long-term energy savings for buildings
  • Zero ODP and low GWP and CE marking compliance to BS EN 13165
  • CFC/HCFC free
CERTIFICATION
  • 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
100mm Celotex CW4100 - Rigid PIR Cavity Insulation Board (pack of 6) CW4000
Guide Price
Brand: Celotex Model: 1200mm x 450mm - 3.24m2
Delivery Time: 2 - 3 working days
100mm 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 rig..
Guide Price: £68.22
£81.86 inc VAT
40mm Celotex TB4000 PIR Insulation Board - TB4040
Guide Price
Brand: Celotex Model: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
Celotex TB4040 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..
Guide Price: £29.38
£35.26 inc VAT
200mm Celotex XR4000 PIR Insulation Board (pack of 6) - XR4200
Guide Price
Brand: Celotex Model: 1200x2400mm -17.28m2
Delivery Time: 5 - 7 days
Celotex XR4200 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. XR4200 is also appropriate for use in floors and walls. With low emissivity foil facings, XR4200 is ma..
Guide Price: £809.89
£971.87 inc VAT
Brand: Celotex Model: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
Celotex TB4012 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..
30mm Celotex TB4000 PIR Insulation Board - TB4030
Guide Price
Brand: Celotex Model: 1200x2400mm - 2.88m2
Delivery Time: 1-3 working days
Celotex TB4030 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..
Guide Price: £24.47
£29.36 inc VAT
50mm Celotex GA4000 PIR Insulation Board - GA4050
Guide Price
Brand: Celotex Model: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
50mm Celotex GA4050 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..
Guide Price: £27.76
£33.31 inc VAT

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