Kingspan Kooltherm K118 40mm/12.5mm x 1200mm x 2400mm 43.2m2

£1,332.00 £1,110.00
In stock
Product Description

We are only able to supply in the stated pack quantity.

Kingspan Kooltherm K118 40mm is an advanced insulated plasterboard that is manufactured with a phenolic core which is made to resist all kinds of harsh conditions. The K118 50mm provides insulation, drylining, and vapour control in one board. 

Size: 1200mm x 2400mm

Pack: 15 boards

Other available thicknesses: 25mm, 30mm, 50mm & 60mm

We are happy to help with enquiries, stock availability or any technical help you require, however for security reasons we cannot take orders over the phone. So if you need to chat give us a call on 03301231761 or email us at [email protected].

What is Kingspan Kooltherm K118 40mm insulated plasterboard?

Kingspan K118 40mm Insulated Plasterboard incorporates both insulation and plasterboard, which saves time when installing as you can insulate and dryline in one process. It has a thermoset fibre-free rigid phenolic core and low emissivity composite foil facing. It is thin and ideal for buildings which can’t insulate from the outside and want to retain space. The K118 40mm is a sustainable option as it limits heat from escaping your building thus reducing your building’s contribution to climate change – not to mention saving you money on energy bills.

Features and benefits of Kingspan Kooltherm K118 40mm:

  • Thermal conductivity: 0.019 W/mK across all thicknesses

  • Euroclass: B-s1,d0

  • Inner (front) facing: 12.5 mm A2,s1-d0 Euroclass plasterboard

  • Premium performance lower-lambda rigid thermoset phenolic insulation

  • Low emissivity composite foil

  • Insulates the concrete wall surfaces, under rafters and interior

  • Unaffected by air infiltration

  • Quick response heating

  • Is water vapour resistant

  • Non-deleterious material

  • Easy to install

Applications for Kingspan Kooltherm K118 40mm:

Timber frame constructions or any dry masonry walls that will provide support are suitable for installation.

Discover the differences between Kingspan and Celotex insulation.

Product Brochure (1.37 MB)
Data Sheet (2.29 MB)
Product Brochure (2.29 MB)
Customer Questions
Is K118 air tight as a board?
The Kooltherm K118 has an integral vapour control layer. A further vapour control layer can be included within a buildup should it be required for air tight purposes. 
How many sheets do I need for approx 35m2? I need the K118 40mm ones.
K118 sheets cover 2.88m2 and we sell them in pack quantities. The 40mm are supplied in packs of 15 (43.2m2), so to cover 35m2 you would need just one pack.
What facing does a K118 board have?
Kingspan K118 has a plasterboard pre bonded to the front and a composite foil reverse facing, allowing for effective vapour control. 
Did you find what you were looking for?
More Information
Supplier Part NumberK118
Pack Size15
Size1200mm x 2400mm

Orders and Delivery

Free delivery if your order is over £300 ex VAT. Orders between £100 - £300 ex VAT will be subject to a delivery charge of £50 ex VAT. Please note, we are unable to accept orders less than £100 ex VAT

When ordering on line you can specify the date of delivery, however we would not be able to specify the time of delivery on that day.

• Please note that we have a number of large vehicles, including articulated vehicles that may be used for delivery. Please advise us in the comments on your order if access to the delivery address is limited.

• Due to insurance guidelines, delivery personnel are unable to enter private residences. Delivery will be as far as possible to the kerbside of the delivery address. The recipient of the products is responsible for any additional lifting once the delivery has been made. Please bear in mind that Insulation products can be bulky and / or heavy.

• The delivery driver will require a signature to confirm the goods have been received.

 † Unfortunately we, Insulation Express, cannot deliver to the Highlands & Islands of the UK. However we will be happy to deliver to a freight forwarding company on your behalf.


Returns and Refunds

In the unlikely event that you need to return an item, please contact our team on [email protected] within 14 days of accepting delivery of the item.

Restocking charges may apply. We will discuss this with you upon receipt of the cancellation request. Restocking charges will be applied where the products are no longer required AND NOT for goods returned because either defective or damaged.

We usually charge 30% of value (minimum £25.00).

Please note that we cannot accept returns on special orders. Special orders may consist of items sent via third party shipping companies or made to measure products. If you are unsure on whether or not your item is a special order, please contact us on [email protected] prior to placing the order.

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