• Over 35 Years of Trading
  • £3m+ Stock Value
  • Best Price Promise
  • 9 Branches in London

Kooltherm K5 External Wall Board - 70mm (Pack of 6)

View product details
1 Excl. VAT £336.00 Incl. VAT Excl. VAT
In stock
SKU
K570mm

Est. delivery: 3-5 Working Days

View delivery options

Pickup location is selected at checkout
  • Pack Size: 6
  • Thickness: 70mm
  • Thermal Conductivity: 0.021 W/mK
  • Facings: Glass Tissue
  • Core: Rigid thermoset phenolic insulation
  • Board Size: 1.2 x 0.6 metre
  • Approx. weight (Kg/m²): 2.76
  • M² per Pack: 4.32
  • Application: External insulation fo masonry walls
  • Stength: Compressive stength of Kooltherm K5 typically exceeds 100 kPa

Kooltherm K5 External Wall Board - 70mm 

Upgrade your building's thermal efficiency with the Kooltherm K5 External Wall Board, available at JJ Roofing Supplies. This insulation solution is designed to optimize energy conservation and comfort, making it ideal for construction projects.

Exceptional Insulation Performance

The Kooltherm K5 board offers outstanding thermal performance, reducing energy consumption and heating costs. Its advanced insulation properties maintain a comfortable indoor environment year-round.

Slim Profile for Space Optimization

With its slim design, the Kooltherm K5 board maximizes internal floor space, ideal for projects where space is limited. Enjoy enhanced thermal efficiency without compromising usable area.

Easy Installation

Simplify your construction process with the Kooltherm K5 External Wall Board, available from JJ Roofing Supplies. It can be swiftly and securely fixed to various substrates using adhesives or mechanical fixings, saving time and labor costs.

Durable and Moisture Resistant

Benefit from long-lasting performance with the Kooltherm K5 board's resistance to moisture ingress. It remains unaffected by short-term water exposure, ensuring durability and reducing maintenance needs.

Versatile Aesthetic Options

Enhance your building's exterior with the Kooltherm K5 board's compatibility with a range of cladding systems. Customize the finish to complement your architectural style while improving energy efficiency.

Sustainable and Environmentally Friendly

The Kooltherm K5 External Wall Board is manufactured with a blowing agent that has zero ozone depletion potential (ODP) and low global warming potential (GWP). This aligns with modern sustainability standards, making it an eco-conscious choice for green building projects.

Write Your Own Review
You're reviewing:Kooltherm K5 External Wall Board - 70mm (Pack of 6)
Your Rating

FREE DELIVERY on Duratech Pitched Roof Windows and Accessories on orders over £50 (Exclusions apply)

All other Delivery Charges are based on weight and location, please add products to your basket to calculate shipping.

A small amount of product lines from particular manufacturers listed below will incur a supplier delivery surcharge.


Next Day Delivery available on orders of stocked items if placed before 2pm

Deliveries will be made between 8am and 6pm. Delivery times apply to weekdays only.


Delivery of Windows to England, Wales, and the majority of Scotland:

Delivery of Windows to the Channel Islands, Scottish Highlands, Northern Ireland, Isle of Man

(postcodes IV, HS, KA27-28, KW, PA20-49, PA60-78, PH17-26, PH30-44, PH49-50, ZE, AB)

Basket Value Price (£)
0-£249 £20
Over £250 £50

It is with regret that we cannot offer a service to these areas for orders over 126kg but please call us on and we will attempt to organise a delivery to your custom if required.


Supplier Delivery Charges

Please note the following supplier delivery surcharges:

Ariel Plastics = £25.00

Britmet Tileform= £35.00

Lead Products(orders under 250kg) = £50.00

Marley Eternit roof tiles (orders under a pallet) = £75.00

Marley Eternit sheeting (exclusions apply) = £50.00

Redland = £100.00

Palram = £25.00

Please phone us on if you are unsure.

What our customers say