Menu
Menu
Your Cart

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)
62.5mm Celotex PL4050 - 50mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
Guide Price
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)
62.5mm Celotex PL4050 - 50mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)
Guide Price: £72.69 (£87.23 inc VAT)
Price per m2: £25.24/m2 (£30.29 inc VAT)
10 or more £71.49 (£85.79 inc VAT)
15 or more £70.29 (£84.35 inc VAT)
20 or more £68.51 (£82.21 inc VAT)
  • Product Code: A1-172
  • Delivery Time: 2 - 3 working days
  • Brand: Celotex (Tech. support: 01473820850)
  • Model: 1200x2400mm - 2.88m2
  • Weight: 28.40kg
Our ratings on 16-07-2026:
Google My Business Reviews
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: 1200 x 450mm - 4.86m2 55mm
Delivery Time: Discontinued
55mm 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..
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..
140mm Celotex XR4000 PIR Insulation Board - XR4140
Guide Price
Brand: Celotex Model: 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..
Guide Price: £73.15
£87.78 inc VAT
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
Brand: Celotex Model: 1200mm x 450mm - 2.70m2
Delivery Time: Discontinued
90mm 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..
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

Rate this product

Please login or register to review

Related Products

Brand: Speedline Model: 48mm x 90m
Delivery Time: 1 - 2 days
 48mm x 90m Speedline Drywall Fibreglass Tape, a flexible self-adhesive scrim tape to cover plasterboard joints...
This product is listed in the following categories and systems (click to show).