• 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
  • 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
  • 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
  • 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
  • 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
  • 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
  • 150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm Floor Insulation
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Celotex

150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm

150mm Celotex XR4150 2.4m X 1.2m | Celotex 150mm

150mm Celotex

(10)

EST Delivery Date Est Delivery between 6th Feb and 12th Feb.

£48.24 £57.89
£48.24 £57.89 £0.00
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How much will I need?

Coverage required
x

We recommend adding 10% of additional product to the calculation to account for errors, damages, and obstacles in your project

Based on your total area of 0m2 (inc. 10% wastage) you will need 1 of this product (total coverage ).
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Product Information
Celotex XR4150 in 150mm is an economical and accessible foil backed pir boards. It is easy to manipulate and to put in place, either in both pitched roofs and flat roofs, as well as floors or walls. Its main purpose is to get rid of thermal issues, such as loss or accumulation of heat. Since it is prevalent in a large number of homes, a lot of professionals in the building industry would have worked with this board beforehand and will know how to install it regardless of the specified application.

Celotex insulation boards score impressive thermal performance without losing efficiency through the years. Its sturdiness and unbending qualities mean it will keep spreading energy savings for a long time after installation. It is a thick PIR insulation that is easy to cut  and fit between rafters & joists, allowing to reduce the U-Value beyond what was possible to achieve with only one sheet of insulation.  

Celotex XR4150 is a PIR insulation board manufactured under high supervision with zero ozone depletion potential and low global warming potential blowing agents. Like all Celotex products, a great deal of care was put into meeting BRE Global Green Guide standards, hence contributing to lower harmful emissions caused by everyday running of most commercial or domestic space.

Key Features

  • Easy to cut and fit
  • Coated in low emissivity foil on each sides
  • Made from strong polyisocyanurate (PIR) 
  • Square edge
  • Thermal conductivity: 0.022 W/mK
  • Length: 2.4m
  • Width: 1.2m
  • Coverage: 2.88m²
  • Thickness: 150mm
  • rValue: 6.80m2K/W


Storage

Celotex insulation boards should always be stored in a dry place, ideally on timber or palettes facing down to prevent damage to the boards. For more information on how to store your Celotex GA4100 please contact a member of our team.

Certifications 

The Celotex XR4000 range is certified by the BBA, certificate numbers 17/5405 and 16/5352 and has received an A+ rating accreditation from the BRE Global Green Guide.


Frequently Asked Questions

What is the thermal conductivity of Celotex XR4000 insulation? The thermal conductivity of Celotex XR4000 insulation is 0.022 W/m.K.

In which applications can Celotex XR4000 insulation be used? Celotex XR4000 insulation can be used in roof, wall, and floor applications.

Is the Celotex XR4000 insulation board BBA certified? Yes, the Celotex XR4000 insulation board is BBA certified.

What is the BRE Green Guide Rating for Celotex XR4000? The Celotex XR4000 achieves a BRE Green Guide Rating of A.

Can Celotex XR4000 be used in buildings over 18 meters in height in England and Wales or 11 meters in height in Scotland? No, Celotex XR4000 should not be used in the external walls of buildings over 18 meters in height (England and Wales) or 11 meters in height (Scotland). Recent changes to Building Regulations state that only non-combustible insulation or insulation of limited combustibility can be used in buildings of that height.

Frequently Bought Together

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Celotex PL4000 Insulated Plasterboard

Celotex PL4000 Insulated Plasterboard is the ultimate time-saving and energy-efficient solution for your construction and insulation needs.

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Knauf Loft Roll 44 Combi-Cut

Knauf Loft Roll 44 Combi-Cut offers superior thermal and acoustic insulation with low-density glass mineral wool, perfect for pitched roofs and timber floors, ensuring safety and efficiency.

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Knauf Wallboard Tapered Edge Plasterboard

The Knauf wallboard is high quality plasterboard built with an ivory paper face for direct decoration or to deliver a perfect plaster finish.

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Technical Specifications
Brand Celotex
Length 2400mm
Material type Polyiso
Thermal conductivity 0.022 W/mK
Thickness 150mm
Weight kg 14.12
Width 1200mm
Datasheets
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Delivery Information

EST Delivery Date Est Delivery between 6th Feb and 12th Feb.

Delivery may be unavailable or may incur additional charges in some remote areas of Scotland and Wales.

Delivery will always take place on a weekday (Mon - Fri).

An exact delivery charge will be calculated at checkout based on your order and location.

View full details

Frequently asked questions

Yes, of course!

Our team is ready to assist you with any questions and queries you may have.

Just reach out to us via any of the following methods:

Call us: 020-3582-6399
Email us: sales@i4lgroup.co.uk
or click the Livechat tab at the bottom of your screen.

As soon as your order is dispatched, you'll receive a dispatch email with delivery dates and details for your order.

If you require an update on your order, you can email customerservice@i4lgroup.co.uk with your order number for assistance.

Yes, we offer a variety of flexible payment options to all our customers.

When checking out online, you'll be able to avail of multiple buy now, pay later options with Klarna or PayPal.

The flexible payment options available to you at checkout will be based on the total value of your order.

For B2B customers, you can apply for a 30-day trade credit account, and you'll also unlock:

  • Dedicated trade pricing
  • Loyalty points and rewards
  • A dedicated account manager

Yes! We even have a price match guarantee.

We are so confident that we have the best prices out there that we will match the price of any other online or local retailer.

If you find the same product cheaper elsewhere, we will match the price — just send us the quote or website link.

Read more: Price Match Guarantee

Yes, if you are carrying out a construction project that requires a large quantity of materials, email sales@i4lgroup.co.uk with the following information and we will get back to you with your very own bespoke price quote:

  • Delivery postcode and address
  • Mobile number
  • Company name
  • A list of required materials and their quantities

Yes! Trade customers can open a B2B account to unlock bespoke pricing, B2B discounts, trade credit, loyalty points, and a dedicated personal account manager.

You can learn more here: Open a Trade Account

Yes, if your order has not yet been processed for dispatch, cancellation/ amendments should be possible.

Our team works quickly to get your order delivered as soon as possible so it is likely that your order will be processed for dispatch within 2-3 hours of purchase.

Contact us immediately via customerservice@i4lgroup.co.uk or call 020-3582-6399 during opening hours.

If you wish to amend your order after it has been processed by our team, it will be treated as a return or a separate new order.

Read more: Returns

Changed your mind about your order? no problem! we offer a 14 day returns period after your order is delivered.

To avail of this your order must be unused, in its original packaging, and suitable for resale.

Refunds are issued immediately after the goods are received and inspected by our team.

If an item arrives damaged or incorrect, you must notify us within 48 hours of delivery.

Prior approval is needed before returning any goods – do not return without authorization.

Special order items are exempt from returns.

Read more: Returns