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Basement and cellar ceiling insulation is essential for newly renovated below ground spaces, protecting them from heat loss and nuisance noise.

Using slab and lamella products that are fixed to the underside of the floor above, these spaces can be transformed into comfortable living areas for occupants.

Once installed, stone wool insulation can also improve fire performance – crucial for private housing and public underground spaces such as car parks, where insulation can also be applied.

Discover how ROCKWOOL solutions can raise the thermal, acoustic and fire standards of your next construction or renovation project – creating a space that is energy efficient and safe.

Why do we need basement ceiling insulation?

Whether in private houses, apartment blocks or public parking garages, basement ceiling insulation is needed to protect these underground areas from cold temperatures, raise fire safety standards and shield occupants – or those in the adjacent environment – from nuisance noise.

Because these below ground spaces are susceptible to heat loss and sound transfer, effective insulation can help keep heat in and unwanted noise out – especially if they’re being transformed into a living space.

In both new builds and renovation projects, insulation can improve the acoustic performance of the room and – through increased energy efficiency – lower heating or cooling costs for the people living there.

Calculator and savings

To calculate how much insulation you’ll need for your development or renovation project, you’ll need to work out the ceiling area you are insulating.

Once this has been measured, use this figure to determine how much you should purchase for the job.

Product thickness should be based on desired and/or necessary requirements in thermal, acoustic and fire performance. Local available reports can support this choice.

When installed, ROCKWOOL insulation can start creating savings for you and any building occupants.

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Our products have a direct impact on energy consumption, are aesthetically pleasing and absorb sound – reducing noise pollution inside the building and to the external environment.

Roger Peeters

ROCKWOOL Group Product Manager

Sustainability and energy efficiency

The cellar ceiling insulation we produce has a direct impact on reducing energy consumption in buildings.

With more and more urban development projects emerging to cope with the expected two billion growth in the world’s population by 2050, ROCKWOOL insulation can therefore help reduce the energy needed to support this growth5.

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Financial support

As a homeowner, landlord or property developer, you could be eligible for a government grant or subsidy when installing basement and cellar ceiling insulation. Contact your local office for more information.

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FAQs

FAQs

Should I insulate my basement bathroom ceiling?

Basement bathrooms can create issues with sound transfer, like any other room in a basement or cellar. Insulation can help reduce noise pollution from showers or other bathroom appliances in shared living spaces.

Does a basement ceiling need a vapour barrier?

Installing a vapour barrier is optional when utilising ROCKWOOL solutions, as stone wool insulation is water repellent. However, adding a vapour barrier can help to prevent additional moisture coming through the ceiling space.