Menu
Menu
Your Cart

67.5mm Celotex PL4055 - 55mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)

67.5mm Celotex PL4055 - 55mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
67.5mm Celotex PL4055 - 55mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
67.5mm Celotex PL4055 - 55mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
67.5mm Celotex PL4055 - 55mm PIR  Insulation Bonded to 12.5mm Plasterboard (PL4000)
67.5mm Celotex PL4055 - 55mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000)
  • Product Code: A1-173
  • Delivery Time: 1 - 5 working days
  • Brand: Celotex
  • (Tech. support: 01473820850)
  • Model: 1200x2400mm - 2.88m2
  • Weight: 28.77kg
Product discontinued. Click Get Best Price to request a quotation and we will recommended an equivalent product.
Our ratings on 27-01-2026:
Google My Business Reviews
4.8 out of 5
Show other thicknesses

67.5mm Celotex PL4055 - 55mm PIR Insulation Bonded to 12.5mm Plasterboard (PL4000 range)

Width: 1200mm
Length: 2400mm
Density: 18.1kg/m3
Weight/m2: 10kg
Weight: 28.77kg
Thermal Conductivity: 0.023W/mK
R-Value: 2.55m2K/W
Compressive Strength: 120kPa
Fire Rating (Reaction to Fire): B(Class 0)

67.5mm Celotex PL4055 is a high-performance thermal insulation board where the PIR insulation is bonded to 12.5mm tapered edge plasterboard. It 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: Also known as PL3055 from January 2018.

Application

Celotex PL4055 is purpose-designed for providing 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 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 PL4055 is Class O according to Building Regulations

Certification

  • Celotex PL4055 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: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
90mm Celotex GA4090 is a versatile insulation board designed to address localized thermal bridge issues. With low emissivity foil facings, this board is constructed from durable polyisocyanurate (PIR) using a blend of eco-friendly blowing agents that have zero ozone depletion potential (zero ODP) an..
£33.90
£40.68 inc VAT
60mm Celotex CW4060 - Rigid PIR Cavity Insulation Board (pack of 10) CW4000
Guide Price
Brand: Celotex Model: 1200mm x 450mm - 4.32m2
Delivery Time: 1 - 5 working days
60mm 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..
Guide Price: £75.67
£90.80 inc VAT
Brand: Celotex Model: 2400x1200mm - 2.88m2
Delivery Time: 1-3 working days
80mm Celotex GA4080 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..
£25.89
£31.07 inc VAT
Brand: Celotex Model: 1200x2400mm - 2.88m2
Delivery Time: 2 - 3 working days
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..
£53.06
£63.67 inc VAT
140mm Celotex Thermaclass Cavity Wall 21 - Rigid PIR Full Fill Cavity Insulation Board (pack of 4)
Guide Price
Brand: Celotex Model: 1190x450mm - 2.16m2
Delivery Time: up to 7 days
140mm Celotex Thermaclass Cavity Wall 21 is a high performance rigid PIR full fill cavity insulation board with low emissivity foil facings offering enhanced thermal performance (0.021 W/m.K) within cavity air spaces. It can be installed with up to a 10mm residual cavity or as a full fill solu..
Guide Price: £124.04
£148.85 inc VAT
Brand: Celotex Model: 1200x2400 - 2.88m2
Delivery Time: 1 - 5 working days
Celotex PL4015 is a high performance thermal insulation board where the 15mm PIR insulation is bonded to 12.5mm tapered edge plasterboard. PL4015 is manufactured from rigid polyisocyanurate (PIR) using a blend of blowing agents that have zero ozone depletion potential (zero ODP) and low global warmi..

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).