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Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 1200mm x 2400mm

Kingspan Kooltherm K15 Rainscreen Board (All Sizes) 1200mm x 2400mm

  • Rainscreen Board
  • Kingspan

  • Free Next Day Delivery (over £500) in the West Midlands
  • Free Standard Delivery (over £500)
  • View our guides for Help & Advice
 (   Ex. VAT) £350.40
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🚛 Next Day Delivery (West Midlands) – FREE on orders over £500

With a low thermal conductivity of just 0.021 W/mK, Kingspan Kooltherm K15 is designed for use behind rainscreen cladding systems and masonry facades. It stands out as one of the most thermally efficient insulation options available.

Made using a fibre-free rigid thermoset phenolic core and shielded with low emissivity composite foil on both sides, this Kooltherm K15 is built for peak performance. Kingspan Kooltherm K15 insulation is user-friendly, allowing for easy cutting and shaping using basic tools like saws or sharp knives.

Applications:

  • Rainscreen cladding systems with a non-proprietary external finish
  • Rainscreen cladding systems with a terracotta clay tile external finish
  • Rainscreen cladding systems on steel frames
  • Behind masonry facades
  • New builds
  • Refurbishments

Storage: Ideally inside. If must be stored outside, cover with a weatherproof sheet and stack clear of the ground.

Installation: Refer to the product brochure below.

Features:

  • Thermal conductivity: 0.021 W/mK
  • Optimal insulation performance
  • Designed for rainscreen cladding applications
  • Easy to handle and install
  • Highly durable
  • Mould resistant
  • Non deleterious
  • Suitable for use in both new and refurbishment projects
  • Eco-friendly
  • Zero ODP
  • Zero GWP
  • Fire rating: C-s2,d0

DISCLAIMER: Please make sure this product meets fire safety regulations for your project.

About the Manufacturer

As the global leader in advanced insulation and building envelope solutions, Kingspan is committed to driving towards a net-zero emissions future while prioritising both human and environmental wellbeing. With an extensive range of innovative products, Kingspan offers solutions tailored to diverse needs, from low thermal conductivity to Euroclass A1 fire-rated protection. Through relentless innovation, Kingspan delivers thinner, lighter, and higher-performing solutions, setting new industry standards.

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Frequently Asked Questions

Kingspan Kooltherm K15 is a premium performance rigid phenolic insulation board designed for use behind rainscreen cladding systems and masonry facades. With a low thermal conductivity of 0.021 W/mK, it works to minimise heat loss and enhance energy efficiency in buildings.

Kooltherm K15 offers easy installation in the following steps: 

  1. Make sure the surface is clean, dry, and free from dust or debris.  
  2. Cut the boards to fit tightly against walls or between studs with a saw or sharp knife.  
  3. Apply compatible adhesive to the back of the boards or directly to the surface 
  4. Press the boards into place, ensuring no gaps or overlaps. 
  5. Seal joints with sealant or tape to maintain insulation integrity. 
  6. Finish by covering with cladding. 

The fibre-free rigid thermoset phenolic core provides optimal thermal performance while ensuring the boards remain lightweight and non-combustible. It also contributes to the dimensional stability and durability of the insulation. 

Yes, Kingspan Kooltherm K15 insulation is suitable for a range of building types including commercial, residential, educational, healthcare, and more.

Free shipping will automatically be applied to all orders over £500. Simply add over £500 to your cart and you will see the discount while checking out.

Orders under £500 - £50 charge.
Over £500 is free.

We typically deliver orders within 2-3 business days of ordering.

Orders for the West Midlands will be completed in 1 to 2 working days.

Orders for areas out of the West Midlands will be completed in 3 to 4 working days.

Orders made after 5pm will be processed on the following working day.

Our deliveries are typically made between 8am and 5pm, Monday - Friday excluding Bank Holidays (Great Britain).

We are unable to offer timed deliveries.

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