37.5mm Celotex PL4025 - 25mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)




37.5mm Celotex PL4025 - 25mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)
Price: £48.24 (£57.89 inc VAT)
Price per m2: £16.75/m2 (£20.10 inc VAT)
10 or more £47.43 (£56.92 inc VAT)
15 or more £46.65 (£55.98 inc VAT)
20 or more £45.46 (£54.55 inc VAT)
- Product Code: A1-434
- Delivery Time: 2 - 3 working days
- Brand: Celotex (Tech. support: 01473820850)
- Model and Size: 1200x2400mm - 2.88m2
- Weight: 26.09kg
Our ratings on 05-06-2025:

4.8 out of 5
37.5mm Celotex PL4025 - 25mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000 range)
Width: 1200mm
Length: 2400mm
Density: 241.6kg/m3
Weight/m2: 9.06kg
Weight: 26.09kg
Thermal Conductivity: 0.023W/mK
R-Value: 1.2m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
Celotex PL4025 is a high performance thermal insulation board where the 25mm PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4000 range 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 PL3025 from January 2018.
APPLICATION
Celotex PL4025 is purpose designed to provide thermal insulation and plasterboard as one product. It can be specified for use in a variety of applications including:
- The underneath layer of insulation in between and under rafter and joist applications
- Solid masonry walls
- Timber frame lining applications
With 37.5mm Celotex PL4025 you are specifying insulation board that:
- Offers the user the ability to install both the insulation and plasterboard in one operation thus reducing installation times
- Is suitable for both direct bonding (dot and dab) and mechanically fixed installation techniques
- Offers the installer maximum flexibility and installation speed due to the tapered edge plasterboard
- Provides reliable long-term energy savings for buildings
- Is suitable for both new build and refurbishment projects
- Can be easily used to upgrade to current building regulation standards
- Can be used in pitched roof, lat roof and wall applications
- The plasterboard used in PL4000 is defined as Class O in accordance with the Building Regulations
CERTIFICATION
- Celotex PL4025 is CFC/HCFC free with zero ozone depletion potential (ODP) and low global warming potential (GWP)
- It is manufactured in accordance with quality management systems BS EN ISO 9001:2000 by Celotex Limited
- All products must be installed in accordance with instructions issued by Celotex Limited.
- Celotex PIR insulation has been independently assessed by BRE Global and has been accredited with an A+ rating when compared to the BRE Green Guide 2008
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