High performance rigid Polyisocyanurate (PIR) insulated plasterboard
Can be easily used to help upgrade to current building regulation standards in pitched roof, flat roof and wall applications.
Ideal option for internal solid wall insulation.
Suitable for both direct bonding (‘dot and dab’) and mechanically fixed installation.
Featuring an inbuilt vapour control layer.
Suitable for both mechancial fixing and dot & dab adhesive bonding.
Ideal for new build, retrofit, and refurbishment.
Thicknesses and Availability:
All thicknesses are available from the manufacturer; short lead-times may apply as we may need to get the products in from Celotex before delivering to site.
This PL4000 Range includes the following available product thicknesses: 27.5mm, 37.5mm, 52.5mm, 62.5mm, 72.5mm and 77.5mm.
Generally sold in pallet quantities only, however, we will happily check to see if individual depots will split pallets, depending on you requirements.
General information about Celotex PL4000
Dr-lining thermal laminate board
Celotex's high performance polyisocyanurate (PIR) foam board, PL4000, is suitable for use in dry lining applications as well as the 'underneath' layer in pitched and flat roofs.
Celotex PL4000 is manufactured from rigid polyisocyanurate (PIR) using a blowing agent that has zero ozone depletion potential (zero ODP) and low global warming potential (GWP)
Faced with a 12.5mm tapered edge gypsum based plasterboard on the front facing while the hidden face is aluminium foil/kraft paper facing, autohesively bonded to the insulation core during manufacture
|Thermal Conductivity||0.022 W/m·K|
|Board Edge||Tapered Edge (plasterboard)|
|Vapour Resistance||> 60 MNs/gm|
Buy Celotex PL4000
Reasonable stock levels are generally held at most of our depots. In some geographic locations, depots may stock alternates, however, we will contact you to discuss before proceeding with the order.
Where products need to be brought in from Celotex, please allow approx. 1 week for delivery.
Celotex reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.
Please observe the 'Star Rating' indicators to assess availability.
Generally 1 or 2 days for delivery
Generally 1 to 5 days for delivery
Generally 5 to 10 days for delivery
Generally 5 to 15 days for delivery
Please call to check availability and approximate lead times
Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations
Product Performance and Guides
Product Performance, Manufacturer Certification, Downloads, and Installation Guides
While we have provided Thermal Resistance values for all thicknesses on the Celotex PL4000 datasheet, some thicknesses may not be readily available.
Items highlighted in green are generally held in stock by Celotex.
|Celotex PL4015 27.5mm||27.5mm||0.70 m²K/W||9.69 kg/m²|
|Celotex PL4025 37.5mm||37.5mm||1.20 m²K/W||9.99 kg/m²|
|Celotex PL4040 52.5mm||52.5mm||1.85 m²K/W||10.46 kg/m²|
|Celotex PL4050 62.5mm||62.5mm||2.30 m²K/W||10.96 kg/m²|
|Celotex PL4060 72.5mm||72.5mm||2.75 m²K/W||11.31 kg/m²|
|Celotex PL4065 77.5mm||77.5mm||3.00 m²K/W||11.48 kg/m²|
Standards & Approval
Celotex PL4000 is CFC/HCFC free with zero ODP, low GWP and CE marking. Celotex PL4000 is manufactured in accordance with quality management system ISO 9001 and environmental management system ISO 14001. All products must be installed in accordance with guidance issued by Celotex.
Where building regulation approval is required, you should take advice from your local building control authority and the building designer.
- Celotex PL4000 datasheet
- Celotex Pitched Roof BBA Certificate
- Celotex Timber Frame BBA Certificate
- Celotex Dry Lining BBA Certificate
- Celotex Floors BBA Certificate
- Celotex PL4000 DoP
- Celotex Handy Guide
- Celotex Health & Safety
- Celotex Handling & Storage
- Balconies & Terraces Application
- Basements Application
- Beam & Block Floors Application
- Between & Over Rafters Application
- Between & Under Joists Application
- Between & Under Rafters Application
- Between Rafters Application
- Garage Conversion
- Loft Attic Wall Application
- Masonary Cavity Wall with PL4000 Application
- Pitched Roof Sarking Application
- Timber Frame & Domer Cheek Application
- Solid Masonary Wall External Application
- Steel Framed Walls Application
- Top-Up Cavity Wall Application
- Upgrade Internal Solid Wall Application