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Soundproofing on ceiling using Genie Clip system

Postby Soundproofer » Tue Jun 23, 2020 9:45 pm

We are installing some soundproofing to two bedroom ceilings using Genie clip system with dB15 Soundboard. The system retains the existing ceiling. We will have some rewiring done (by Part P certified electrician) at the same time to have just one light fitting.

Our local Building Control authority requires us to get their permission and to do an inspection on the works. I wasn’t expecting having to have building control approval for the works and this sounds quite excessive to me. Does it sound correct and is there any way I could politely challenge the local building authority’s decision?

Thank you!
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Postby RobAlb » Mon Aug 24, 2020 6:39 pm

Do you live in a flat by any chance? It’s unusual to see ‘impact’ sound being taken into account?

Looking at the system it appears you need drop the ceiling to install it. In terms of fire resistance floors are protected from the underside (ceiling). So the building work relates to fire safety and is notifiable to the council.

To be honest the Councils fee shouldn’t be that much.

If the floor above is a ‘compartment’ floor (separating another occupancy) you need demonstrate the ceiling is constructed to achieve a minimum 60 minutes fire resistance. If it’s an intermediate floor in your own house it may only need be 30 minutes. Better levels of fire resistance apply for tall buildings and buildings with basements.

Also remember any perforations of the new ceiling can adversely effect the acoustic performance and fire integrity. Detailing around recessed lights / ceiling mounted speakers need also be taken into account.
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