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Sound Solutions: Acoustic Underlay in Modern Construction

As flooring contractors in the UK, you understand the crucial role that materials play in achieving both structural integrity and occupant satisfaction. In this article, we'll explore why placing importance on acoustic underlay is essential for modern construction projects in the UK, especially in light of government legislation regarding sound insulation and reduction.

Understanding Acoustic Underlay

Acoustic underlay, often referred to as soundproof underlay or sound insulation underlay, is a key component of flooring systems designed to mitigate noise transmission between floors. It acts as a barrier against impact noise generated by footsteps, moving furniture, or other sources, while also dampening airborne sound like voices or music. By absorbing and diffusing sound waves, acoustic underlay significantly enhances the acoustic performance of a building, promoting tranquillity and comfort for occupants.

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Meeting Regulatory Standards

In the UK, the importance of sound insulation and reduction is underscored by stringent government legislation and building regulations. The Building Regulations 2010 (Approved Document E) sets out specific requirements for the acoustic performance of buildings, including those related to walls, floors, and ceilings. These regulations aim to ensure that new constructions and renovations provide adequate sound insulation to protect the well-being and quality of life of occupants.

For flooring contractors, compliance with Approved Document E is crucial when undertaking residential, educational, healthcare, or other projects where noise control is paramount. Failure to meet these standards not only jeopardises the structural integrity of the building, but also exposes contractors to potential legal consequences and reputational damage.

What are the Benefits of Acoustic Underlay?

Investing in high-quality acoustic underlay offers several benefits that extend beyond mere compliance with regulatory standards:

  1. Enhanced Comfort: Acoustic underlay minimises disruptive noise, creating a more peaceful and comfortable indoor environment for residents, workers, or visitors.
  2. Improved Health and Well-being: Excessive noise levels have been linked to stress, sleep disturbances, and other health issues. By reducing noise transmission, acoustic underlay contributes to better overall health and well-being.
  3. Increased Property Value: Properties equipped with effective sound insulation solutions are often more desirable to potential buyers or tenants, leading to increased property value and marketability.
  4. Legal Compliance and Risk Mitigation: By adhering to building regulations regarding sound insulation, flooring contractors mitigate legal risks and ensure project success and client satisfaction.


When choosing acoustic underlay for a project, it's essential to consider factors such as material composition, thickness, and compatibility with the chosen flooring system. Additionally, collaborating with reputable suppliers who offer products that meet or exceed regulatory requirements can provide assurance of quality and performance. At SASGO, we highly recommend SBA19 from SOUNDBASE® - a cost effective and high-performing acoustic underlay that achieves approved building regulation performance standards for Floor Type 1.

In conclusion, the importance of acoustic underlay in modern construction projects in the UK cannot be overstated. By prioritising sound insulation and reduction through the strategic use of acoustic underlay, flooring contractors not only ensure compliance with government legislation but also deliver superior indoor environments that enhance comfort, well-being, and property value.

Do you require acoustic underlay for your next project? Or, do you want to take your current project to the next level? Get in touch with our sales team today to discuss on 0330 053 2500 or via email at

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