Technical Information
EcoSound comes under fire class B-s2 d0, as established in the European classification EN 13501-1.
The material is characterised as very difficult to ignite with medium smoke production, and no droplets. Previous BS 476 rating would be class 0.
EcoSound is only installed by certified installers. Within the UK and Ireland our partners are Henly Projects.
Henly Projects are a tried and trusted acoustics business with a vast experience installing all types of acoustic products.
EcoSound is formulated with a high-performance adhesive that creates a strong, resilient, and long-lasting bond.
Once fully cured, it contributes to the overall composite strength of the surface, delivering robust and dependable performance in demanding environments.
The system is highly versatile and can be applied to a wide variety of substrate types and configurations.
Its adaptable nature makes it suitable for use across abroad range of commercial and architectural applications.
EcoSound offers effective thermal insulation by forming natural air pockets within and between its cellulose fibres.
This structure helps to reduce heat transfer, improving energy efficiency across a range of applications. U-values can be tailored to meet the specific thermal requirements of your project.

Colours
We offer a selection of standard colours suited to most needs, with bespoke options available to match your specific environment.
Bespoke Colours
Bespoke Colours are manufactured to order. Minimum order quantities apply and square meterage is dependent on the product and thickness of spray.
Please send us your colour requirement using a Dulux paint reference and we will respond with quantity, price and colour samples.
Acoustic Spray Properties
| Thickness | 15 mm | 20mm | 25mm | 30mm | 35mm |
|---|---|---|---|---|---|
| Class | C | C | B | A | A |
| AW | 0.6 | 0.75 | 0.8 | 0.95 | 1 |
| NRC | 0.75 | 0.85 | 0.9 | 0.95 | 1 |
| 125 Hz | 0.11 | 0.18 | 0.17 | 0.24 | 0.29 |
| 250 Hz | 0.31 | 0.49 | 0.52 | 0.67 | 0.73 |
| 500 Hz | 0.73 | 0.92 | 1 | 1.06 | 1.06 |
| 1000 Hz | 0.95 | 1.03 | 1.01 | 1.09 | 1 |
| 2000 Hz | 0.94 | 1 | 0.97 | 1 | 0.99 |
| 4000 Hz | 1.06 | 1.08 | 1.07 | 1.03 | 0.96 |










