Kingspan Kooltherm K108 Cavity Board 60mm x 450mm x 1200mm 4.32m2

£120.48 £100.40
In stock
Product Description

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

Kingspan Kooltherm K108 Cavity Board 60mm is one of the thinnest insulation for partial fill cavity walls. It is a fibre-free rigid thermoset phenolic core and delivers a thermal conductivity of 0.019 W/mK. The K108 60mm is rigid and durable which gives it a lightweight that is easy to manoeuvre.

Size: 450mm x 1200mm

Pack: 8 boards

Other available thicknesses: 50mm & 75mm

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 K108 Cavity Board 60mm cavity board? 

The Kingspan K108 Cavity Board 60mm is the ideal solution to insulate partially-filled cavity walls. If you're thinking about insulating your building, partially filled cavity walls should be your starting point. These boards have been created to limit thermal bridging and air leakage so are a smart energy-saving solution. This product is great to work with as it is easy to handle and rigid – plus you don’t need to be concerned about health hazards when installing as it is made from non-deleterious material.


The board resists moisture penetration and is unaffected by air infiltration.

Features and benefits of Kingspan Kooltherm K108 60mm: 

  • Thermal conductivity: 0.019 W/mK across all thicknesses.
  • Rated F on Euroclass scale.
  • Low emissivity composite foil facings.
  • Premium performance lower-lambda rigid thermoset phenolic insulation manufactured with a blowing agent that has zero ozone depletion potential (ODP) and low global warming potential (GWP).
  • Board size: 1.2 x 0.45 metres.
  • Weight: Approx 3.86 kg/m2 at a thickness of 100 mm.
  • Partial fill cavity wall insulation.

Applications for Kingspan Kooltherm K108 60mm:

  • Partial fill cavity wall insulation.
Product Brochure (3.70 MB)
Product Brochure (635.99 kB)
Customer Questions
Is Kingspan K108 suitable for use in my wall cavity?
Kingspan Kooltherm K108 is a phenolic insulation board specially designed for partial-fill cavity wall applications, offering premium thermal performance.
Are the K108 boards foil faced?
The Kooltherm K108 cavity insulation boards are a phenolic board with layer of low emissivity composite foil on either side. 
Did you find what you were looking for?
More Information
Supplier Part NumberK108
Pack Size8
Size450mm x 1200mm

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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