62.5mm Celotex PL4050 - 50mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)
                                              
                                              
                      
                      62.5mm Celotex PL4050 - 50mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
                          
          
          
          
          
          
          
                      Price: £66.08 (£79.30 inc VAT)
                                                                                                                      Price per m2: £22.94/m2 (£27.53 inc VAT)
                                          10 or more £64.99 (£77.99 inc VAT)
                                                  15 or more £63.90 (£76.68 inc VAT)
                                                  20 or more £62.28 (£74.74 inc VAT)
                                              - Product Code: A1-172
 - Delivery Time: 2 - 3 working days
 - Brand: Celotex (Tech. support: 01473820850)
 - Model and Size: 1200x2400mm - 2.88m2
 - Weight: 28.40kg
 
Our ratings on 03-11-2025:
            
              4.8 out of 5
            62.5mm Celotex PL4050 - 50mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000 range)
Width: 1200mm
Length: 2400mm
Density: 157.8kg/m3
Weight/m2: 9.86kg
Weight: 28.4kg
Thermal Conductivity: 0.023W/mK
R-Value: 2.35m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)
62.5mm Celotex PL4050 is a high-performance thermal insulation board with 50mm 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 PL3050 from January 2018.
Application
Celotex PL4050 is purpose-designed to provide thermal insulation and plasterboard as one 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 PL4050 is Class O according to Building Regulations
 
Certification
- Celotex PL4050 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: 1200 x 600 - 7.2m2
                          
          
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                Celotex TC3000 provides a quick and easy method of achieving effective thermal insulation in built-up flat roofing applications including hot applied bituminous, mastic asphalting and torch-on systems. With bitumen polypropylene fleece facers on both sides, TC3000 is manufactured from rigid Polyisoc..
        
        
        
                  
                              Brand: Celotex
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                25mm 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 and Size: 2400x1200mm - 2.88m2
                          
          
              Delivery Time: 1-3 working days                          
                  
                  
                  
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                              Brand: Celotex
                                            Model and Size: 2400x1200mm - 46.08m2
                          
          
              Delivery Time: Out Of Stock                          
                  
                  
                  
                140mm 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: £2,214.29
                          
                          £2,657.15 inc VAT
                                    
                              Brand: Celotex
                                            Model and Size: 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..
        
                  
                                                                    £19.42
                                                                                
                          £23.30 inc VAT
                                    
                              Brand: Celotex
                                            Model and Size: 1200x2400mm - 2.88m2
                          
          
              Delivery Time: 2 - 3 working days                          
                  
                  
                  
                72.5mm Celotex PL4060 is a high-performance thermal insulation board where the 60mm PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4000 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low globa..
        
                  
                                                                    £68.87
                                                                                
                          £82.64 inc VAT
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