External Insulation Board


- Premium phenolic insulation: Thermal conductivity of 0.021 W/mK.
- Euroclass C-s2,d0 fire rating: Ensures enhanced safety.
- Easy to handle and install: Perfect for various wall types.
- Regular price
- £137.40
- Sale price
- £137.40
Was £0.00Sold out


- Dual-density insulation for resilience and adaptability
- Seamless thermal performance with easy-fit design
- Robust, weather-resistant slab for all climates
- Regular price
- £1,082.40
- Sale price
- £1,082.40
Was £0.00Sold out


- Water-repellent facing for top-tier weather resistance
- Quick, cost-effective installation, can be exposed for 12 months
- BS EN 15283 compliant, A1 non-combustible, double BBA certified
- Regular price
- £3,448.21
- Sale price
- £3,448.21
Was £0.00Sold out

- Regular price
- £156.53
- Sale price
- £156.53
Was £0.00Sold out

- Regular price
- £159.05
- Sale price
- £159.05
Was £0.00Sold out

- Regular price
- £148.93
- Sale price
- £148.93
Was £0.00Sold out

- Regular price
- £149.33
- Sale price
- £149.33
Was £0.00Sold out

- Regular price
- £149.33
- Sale price
- £149.33
Was £0.00Sold out

- Regular price
- £149.33
- Sale price
- £149.33
Was £0.00Sold out


- Efficient insulation: Thermal conductivity of 0.034 W/mK
- Universal approval: A1 Euroclass certification
- Certified quality: BBA Certificate 20/5845, BS 8414-2:2015 + A1:2017 tested
- Regular price
- £68.86
- Sale price
- £68.86
Was £0.00Sold out
Creating a comfortable, energy-efficient living or working space involves careful consideration of insulation, and External Insulation Boards play a pivotal role in achieving this. Insulation4less presents an array of high-performance external insulation boards from leading vendors to cater to your varied insulation requirements.
Kingspan Solutions: Premium Thermal Performance
Kingspan, a renowned name in the insulation industry, offers products like Kingspan Kooltherm K5 and K-Roc Rainscreen Slab. Both of these products showcase exceptional thermal performance, ensuring your external walls effectively resist heat transfer.
Kooltherm K5: A premium performance insulation board designed for external insulation of masonry walls, ensuring enhanced thermal efficiency.
- K-Roc Rainscreen Slab: Particularly adept for rainscreen cladding applications, delivering a combination of high thermal resistance and added protection against external elements.
These Kingspan products are revered for their durability, reliability, and high thermal efficiency, making them suitable for a multitude of external insulation applications.
Rockwool: Robust and Non-Combustible
With Rockwool Rainscreen Duo Slab, Rockwool promises a dual-density, non-combustible insulation board, which is not only resilient but also offers excellent thermal and acoustic insulation properties.
- Rainscreen Duo Slab: Crafted to endure extreme conditions, this product provides a robust, fire-safe insulation solution, especially relevant for high-rise buildings and demanding cladding projects.
Rockwool's offerings cater to those who prioritise fire safety and acoustic insulation, along with thermal performance in their selection criteria.
Siniat: Weather-Resistant and Lightweight
Siniat Weather Defence Board is celebrated for providing a shield against the elements while also enhancing the building’s thermal performance.
- Weather Defence Board: A sheathing board that provides weather protection for up to 12 months, offering builders a flexible timeline without compromising the build quality.
Siniat's insulation board is ideal for projects where weather resistance and lightness are key, offering ease in handling and installation.
High Density EPS: Versatility Across Thicknesses
The High Density EPS 200E series brings a range of options with varying thicknesses, from 20mm to 90mm, providing a solution for different U-value and depth requirements.
- EPS 200E Series: Available in diverse thicknesses, these boards are renowned for their reliable thermal performance and adaptability, supporting various external applications like rendered facades and wall insulation.
EPS boards tend to be a go-to for scenarios that demand customization and adaptability in terms of insulation depth and thermal values.
Guidance and Selection
For Enhanced Thermal Performance:
Choose Kingspan Solutions if your primary concern is securing top-tier thermal performance and longevity.
For Fire Safety and Acoustic Insulation:
Opt for Rockwool to prioritise fire resistance and sound insulation without compromising thermal capabilities.
For Weather Resistance and Lightweight Application:
Consider Siniat when seeking insulation that also provides a sturdy defence against diverse weather conditions and is lightweight.
For Versatility and Varied Applications:
Select High Density EPS for versatile applications, where varying thicknesses and adaptability are crucial.