SilentCloud Acoustic Cork / Rubber Underlay For Flooring (3 & 4.5mm)


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The SilentCloud Acoustic Cork / Rubber Underlay For Flooring is a versatile and durable option for enhancing the performance of your floors. It can be used in various settings, including commercial and residential buildings such as apartments, hotels, hospitals, schools, and universities. This underlay meets all current building regulations and is Document E compliant, ensuring that it meets the necessary standards for sound insulation.

The underlay is made from a combination of waste rubber, cork, and polymer binder, resulting in a purpose-made resilient matting. This unique composition provides excellent insulation properties, helping to reduce noise transmission and impact resistance. It is suitable for use with a wide range of floor finishes, including vinyl flooring.

Installing SilentCloud Acoustic Cork / Rubber Underlay For Flooring is a breeze. It remains continually elastic, ensuring long-lasting performance and ease of installation. It is fully recycled, making it an environmentally friendly choice. With its minimum construction height, it is suitable for both concrete and screed floors. Additionally, it is compatible with underfloor heating systems, offering excellent thermal properties.


  • Roll Length/Width: 20m x 1m Roll
  • Thickness: 3mm, 4.5mm 
  • M2 Weight: 3mm = 2.05kgs / 5mm = 3.62kgs
  • Colour: Black/Beige
  • Surface: Fine Granulate structure
  • Tensile strength: 0.6 N / mm2 (DIN 53571)
  • Elongation at Break: 3mm approx 50% (DIN 53571) 5mm approx 60% (DIN 53571)
  • Density: Approx 390 kg/m3
  • Service Temp: -30°C to + 80°C
  • Flammability Rating: B2
  • Environmental Behaviour: Limited resistance to acid
  • Impact sound: 5mm = 21dB, 3mm = 18dB


The SilentCloud Acoustic Cork / Rubber Underlay For Flooring offers excellent sound insulation and impact resistance. It reduces footfall noise and provides a comfortable and quiet environment. The underlay has been tested for its acoustic performance and has achieved an impact sound rating of 21dB for the 5mm thickness and 18dB for the 3mm thickness.

Features And Benefits Easy to install:

The SilentCloud Acoustic Cork / Rubber Underlay is designed for easy installation, saving you time and effort. Remains continually elastic: This underlay maintains its elasticity over time, ensuring long-lasting performance and durability. Fully recycled: Made from recycled materials, this underlay is an eco-friendly choice for your flooring project. Minimum construction height: With its slim profile, this underlay minimizes the increase in floor height, making it suitable for various applications. Suitable for both concrete and screed floors: Whether you have a concrete or screed floor, this underlay is compatible and can be easily installed. Document E compliant: This underlay meets the requirements of Document E, ensuring it provides effective sound insulation for your space. Suitable for refurbishment and new build projects: Whether you're renovating an existing space or starting a new construction project, this underlay is suitable for both scenarios. Compatible with underfloor heating: If you have underfloor heating, this underlay is compatible and won't interfere with its performance. Excellent thermal properties: The SilentCloud Acoustic Cork / Rubber Underlay provides excellent thermal insulation, helping to keep your space warm and energy-efficient. Reduces footfall noise: With its sound-absorbing properties, this underlay reduces footfall noise, creating a quieter and more comfortable environment. Environmentally friendly: The underlay is made from recycled and sustainable materials, making it an eco-conscious choice for flooring projects. Versatile: Suitable for a wide range of applications, including residential and commercial buildings, healthcare facilities, and educational institutions. Improved property value: By enhancing sound insulation and comfort, the SilentCloud Acoustic Cork / Rubber Underlay can increase the value of a property. Fire resistant: The underlay has excellent fire resistance properties, providing an added layer of safety in case of a fire.

Applications Residential Buildings: The SilentCloud Acoustic Cork / Rubber Underlay is ideal for use in residential buildings where noise reduction is a priority. It can be used in apartments, houses, and condominiums to reduce the transmission of impact and airborne sound. Commercial Buildings: This underlay is also suitable for commercial buildings such as offices, restaurants, hotels, and retail stores. It can help to create a quieter and more comfortable environment for both employees and customers. Educational Institutions: Schools, colleges, and universities can benefit from the use of this underlay. It can help to reduce noise in classrooms, lecture halls, and libraries, enhancing the learning environment. Healthcare Facilities: In healthcare facilities like hospitals and clinics, this underlay can help to create a quieter and more peaceful environment for patients. It can also reduce noise in areas such as waiting rooms and consultation rooms. Industrial Buildings: The SilentCloud Acoustic Cork / Rubber Underlay can be used in industrial buildings to reduce noise from machinery and equipment. This can help to improve working conditions and reduce noise-related health risks. Renovation Projects: This underlay is ideal for renovation projects where existing floors need to be upgraded for better sound insulation. It can be easily installed under new flooring to improve acoustic performance. Home Theatres and Recording Studios: The underlay is perfect for use in home theatres and recording studios where superior sound insulation is required. It can help to enhance sound quality by reducing background noise and echo.

Installation Full fitting instructions are provided with all products and can be downloaded from the Installation Guides section on our website. If you have any technical questions or need assistance with the installation or general use of SilentCloud products, please contact our technical team via our contact form.

Certifications Document E compliant

About The Manufacturer The SilentCloud Acoustic Cork / Rubber Underlay For Flooring is manufactured by SilentCloud Acoustics, a leading provider of acoustic solutions. SilentCloud Acoustics is committed to producing high-quality products that meet the needs of the construction industry. With a focus on innovation and sustainability, SilentCloud Acoustics strives to create products that enhance the acoustic performance of buildings while minimizing their environmental impact.

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