Celotex PL4000 is a multi-purpose, high-performance insulation board, engineered by rigid polyisocyanurate (PIR). Manufactured using a number of materials together to form a rigid foam product featuring zero ozone depletion and a low global warming impact. This PIR insulation board is bonded to 12.5mm tapered edge plasterboard and is ideal for solid wall insulation. 2.88m2 of coverage per sheet.

  • Thermal conductivity of 0.022 W/mK
  • Suitable for both direct bonding 'dot and dab' and mechanically-fixed installation techniques
  • Suitable for pitched roof, flat roof and wall applications
  • Easy to install
  • Installs both insulation and plasterboard in one operation
  • Suitable for both new build and refurbishment projects
  • Reliable long-term energy savings
  • BBA and Ofgem approved
  • Plasterboard is defined as Class O in accordance with the Building Regulations
  • CE marked

£4.99 Standard Delivery, or FREE on most orders over £99* (some exclusions apply)

£9.99 Next day delivery is available for orders places before 12 noon. Any orders placed for next day delivery after this time, will take 2 working days to be delivered.

Working/delivery days are Monday to Friday, deliveries will not normally be made Saturday or Sunday.

We offer a 30-day returns policy on on the majority of our items*, as long as the item is unused, undamaged and unopened**. We only ask that the postage is covered by yourself. 


* Please see our delivery page for further details on specific exceptions.

** Some products that are made to order or personalised cannot be returned.

***Exclusions apply for items shipped directly from our suppliers, and some big & bulky items may incur an additional charge. Please see our delivery page for full details. 

Be the first to review PL4000 PIR Thermal Laminate Insulation Board 2400mm x 1200mm. Write a review

Celotex PL4000 PIR Thermal Laminate Insulation Board 2400mm x 1200mm

  • From £78.70
  • (Delivery from £42.00 )
Item in Stock   |   Usually dispatched within 24 hours
Loading...
Free UK Delivery on most orders over £99
Delivery Rates & Information

Delivery Options

Standard Delivery: £4.99 - Free for all orders over £99.*
Next Day Delivery: £9.99 - Available for orders placed before 12:00 PM (Noon).

Important Delivery Notes

Next Day Delivery Cut-off: Orders placed after 12:00 PM (Noon) using Next Day Delivery will be delivered within two working days.
Working Days: Our standard delivery and shipping days are Monday through Friday. We do not normally deliver on Saturdays or Sundays.

Easy 30-Day Returns

We want you to be happy with your purchase! We offer a 30-day returns policy on all items, provided the following conditions are met:
  • The item is unused and undamaged.
  • The item is returned in its original packaging.
  • The customer is responsible for the return postage costs.

Combining Your Order

We always strive to combine your order into a single delivery. However, your order may arrive in multiple shipments if it contains:
  • Items from different warehouses (Standard items).
  • 'Direct' items (These are shipped separately and directly from the supplier) and will arrive separately from other items in your order.

*Exclusions & Additional Charges

The following items may be excluded from standard shipping rates or may incur extra delivery charges:
  • Items Shipped Directly from Suppliers ('Direct' items).
  • Certain Large or Bulky Items.
Want it by Monday 19th October? Order within 3 days, 17 hours, 20 minutes