• Up to an 80% reduction in noise
  • Keep the warmth in your home
  • Improve security

Adding secondary glazing to your home can play a major part in helping to define acoustics around the house, either as a standalone installation, or in conjunction with a broader set of acoustic measures – the most transparent way to create an acoustic-friendly home environment.

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Here are just a few ways we can City insulation can help

Widening the gap brings sonic clarity

Secondary glazing significantly reduces noise transmission by creating an air gap between the existing window and the secondary glazing unit. This air gap acts as a buffer, absorbing and dampening sound vibrations. The combination of the original window and the secondary glazed unit provides a double layer of glass, which further enhances sound insulation, and naturally creates acoustic clarity.

Acoustic materials are employed

Secondary glazed units are designed with materials that have excellent sound-absorbing properties. Acoustic laminated glass and acoustic seals help to absorb and dissipate sound waves, preventing them from entering the interior space. This reduces the impact of external noise sources, such as traffic or construction, and creates a quieter environment.

Engineered to minimise the noise

Secondary glazing units are specifically engineered to minimise sound transmission, and maximise a clean acoustic environment. By breaking up sound waves and disrupting their path, soundproof glazing reduces their ability to travel through the window. We use high-quality materials and precise installation techniques further enhancing the soundproofing performance of secondary glazing for good acoustics.

Address specific acoustic challenges

Different glass thicknesses, laminates, and acoustic seals can be used to customise secondary glazing for specific noise control requirements. Additionally, the air gap between the existing primary window and the secondary glazing unit can be adjusted to create an optimal acoustic barrier. This ensures that the secondary glazing solution is tailored to address any specific noise challenges your home faces.

Just one way to achieve great acoustics

Secondary glazing can be combined with other acoustic solutions to further improve sound insulation. For instance, the use of double glazing in combination with secondary glazing provides even greater sound reductions and strong acoustics. A mixed approach to acoustics addresses different frequencies and types of noise.

City Insulation can incorporate secondary glazing into your home to create a peaceful and productive living space. Improved acoustics contribute to better concentration, increased privacy, and a more harmonious family life for all.

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Our Process
Our Process

Our Process


Don’t just take our word for it. Read what our satisfied customers have to say.

Liam S.
Great experience start to finish - quickly came round and quoted, providing confidence in what they would do and who would be involved, co-ordinated all the individual workers who worked to a high standard. The work itself was done to a high quality and on-time, and the difference has been amazing - great company, would highly recommend.
Don T.
We are all absolutely delighted with City Insulation and the work they have just completed at my brother's house in Liverpool. Sadly my brother is living with alzheimers now and he does have some noisy outbursts now and again, which is natural for this horrible illness. He is being cared for 24/7 in a normal semi-detached house in Liverpool however his neighbours are not normal and keep complaining and putting in complaints to the police / council etc. I found Adam/City Insulation on the internet and he was so understanding and came up with exactly the right solution. All the carers in... the house are delighted and its made their job easier as they no longer worry about the next door neighbours who have got to find something else to complain about now! A big thanks to Adam and his team and if you have any noise issues etc you now know who to contact! (Ps very clean, very quick job, great value for money)read more
George Q.
Best experience I've had with any tradesman to be honest. We needed to improve soundproofing in commercial meeting rooms/studios and he laid out the different options very clearly so we could make the best decision from a range of budgets. His team were extremely professional, delivered the work exactly when they said they would with zero delays. Very friendly and flexible with everything onsite. Would thoroughly recommend.
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