52.5mm Celotex PL4040 - 40mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)




52.5mm Celotex PL4040 - 40mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)
Price: £58.53 (£70.24 inc VAT)
Price per m2: £20.32/m2 (£24.39 inc VAT)
10 or more £57.57 (£69.08 inc VAT)
15 or more £56.61 (£67.93 inc VAT)
20 or more £55.18 (£66.22 inc VAT)
- Product Code: A1-170
- Delivery Time: 1-3 working days
- Brand: Celotex (Tech. support: 01473820850)
- Model and Size: 1200x2400mm - 2.88m2
- Weight: 27.42kg
Our ratings on 28-05-2025:

4.8 out of 5
52.5mm Celotex PL4040 - 40mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000 range)
Width: 1200mm
Length: 2400mm
Density: 181.33kg/m3
Weight/m2: 9.52kg
Weight: 27.42kg
Thermal Conductivity: 0.023W/mK
R-Value: 1.85m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
52.5mm Celotex PL4040 is a high-performance thermal insulation board with PIR insulation bonded to 12.5mm tapered edge plasterboard. It is made from rigid polyisocyanurate (PIR) using blowing agents that have zero ozone depletion potential (zero ODP) and low global warming potential (GWP).
Note: Also known as PL3040 from January 2018.
Application
Celotex PL4040 is designed to provide thermal insulation and plasterboard as a single product. It can be specified for various applications, including:
- The underlayer of insulation between and under rafter and joist applications
- Solid masonry walls
- Timber frame lining applications
Features
- Enables installation of insulation and plasterboard in one operation, reducing installation time
- Suitable for both direct bonding (dot and dab) and mechanically fixed installation techniques
- Provides flexibility and improved installation speed due to tapered edge plasterboard
- Offers reliable long-term energy savings for buildings
- Suitable for new build and refurbishment projects
- Easily upgrades to current building regulation standards
- Can be used in pitched roof, flat roof, and wall applications
- The plasterboard used in PL4040 is Class O according to Building Regulations
Certification
- 52.5mm Celotex PL4040 is CFC/HCFC-free with zero ozone depletion potential (ODP) and low global warming potential (GWP)
- Manufactured in accordance with quality management systems BS EN ISO 9001:2000 by Celotex Limited
- All products must be installed following instructions issued by Celotex Limited
- Celotex PIR insulation is independently assessed by BRE Global and accredited with an A+ rating compared to the BRE Green Guide 2008
Brand: Celotex
Model and Size: TD4000- 2400 x 1200
Delivery Time: 1 - 5 working days
Celotex TD4000 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 bonded to a layer of 5.5mm WBP exterior grade plywood.APPLICATION
Celotex TD4000 is purpose designed for use in light traffic ..
Brand: Celotex
Model and Size: FF4000 1200x2400 - 51.84m2
Delivery Time: 3 - 5 days
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
&..
Brand: Celotex
Model and Size: 2400x1200mm - 69.12
Delivery Time: Out Of Stock
100mm Celotex Crown-Fix is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Fix is a high performance rigid polyisocyanurate (PIR) insulation which delivers excellent dimensional stability and added robustness in a mechanically fixed sin..
Guide Price: £2,289.51
£2,747.41 inc VAT
Brand: Celotex
Model and Size: TD4000 - 2400 x 1200
Delivery Time: 1 - 5 working days
Celotex TD4000 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 bonded to a layer of 5.5mm WBP exterior grade plywood.
APPLICATION
Celotex TD4000 is purpose designed for use in ligh..
Brand: Celotex
Model and Size: 1200x600mm - 95.04m2
Delivery Time: Out Of Stock
50mm Celotex Crown-Bond is a brand new product for use in flat roof systems. Representing the next phase of Celotex innovation, Crown-Bond is a high performance rigid polyisocyanurate (PIR) insulation which delivers cutting edge thinness, increased dimensional stability and added robustness in a bon..
Brand: Celotex
Model and Size: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
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..
£65.16
£78.19 inc VAT
Related Products
Brand: Speedline
Delivery Time: 9999
Delivery Time: 1 - 2 days
48mm x 90m Speedline Drywall Fibreglass Tape, a flexible self-adhesive scrim tape to cover plasterboard joints...