Can Cemfloor Liquid Screed Be Used in a Home Extension?

If you are adding a new kitchen, extending the back of your house or creating a larger open-plan living space, the floor is an important part of the project. It needs to be level, stable, and ready for whatever flooring you plan to install later.

So, can Cemfloor liquid screed in Buckinghamshire be used in a home extension? Yes. Cemfloor is suitable for domestic floors, including new builds and renovations, and can be used with or without underfloor heating.

But does it suit every type of extension? Let’s look at where it can make sense.

Which Home Extensions Can Use Cemfloor?

Cemfloor can be considered for many common domestic extension projects, including:

• Single-storey rear extensions
• Kitchen and dining extensions
• Side-return extensions
• Open-plan living extensions
• Larger extensions with underfloor heating
• Renovation projects where an existing part of the home is being upgraded

The important point is not simply the name or style of the extension. What matters is the floor construction, the available depth, insulation, the planned floor finish, and whether underfloor heating is being installed.

Cemfloor is suitable for bonded, unbonded and floating floor applications, with the exact specification depending on the project.

What If Your Extension Has Underfloor Heating?

This is one situation where a flowing screed can be particularly useful.

Many homeowners choose underfloor heating for an extension because it keeps the walls free from radiators and provides even warmth across the room. Cemfloor can be used over underfloor heating, and its self-compacting properties allow it to surround the pipework effectively.

The screed depth still needs to be planned correctly. Cemfloor’s current guidance gives a minimum 40mm depth for floating screed over underfloor heating, although the final specification depends on the particular floor construction and heating system.

There is also a useful timing point here. Underfloor heating should not be switched on immediately after the screed is poured. Cemfloor advises waiting seven days before starting it at a low temperature and increasing the heat gradually.

Why Might Liquid Screed Suit An Extension?

An extension can involve several trades working to a tight schedule. Once the floor is ready, you want the screeding stage to be handled efficiently so the next stages can continue.

Cemfloor is free-flowing and self-compacting, helping create a smooth, level surface. It can also be walked on after around 24 to 48 hours, although that does not mean the final floor covering can be installed straight away.

It is also suitable for common floor finishes including tiles, timber and laminate, subject to the flooring manufacturer’s requirements and the screed reaching the necessary moisture level.

What Needs To Be Ready Before Screeding?

The extension needs to be properly prepared before the screed arrives.

This includes making sure the subfloor and insulation are ready, the perimeter is correctly detailed, and any underfloor heating has been installed and checked. The required screed depth should also be established before pouring.

Getting these details right matters. A liquid screed installation is not something to treat as the final job on the building site. It needs to fit into the wider floor build-up.

So, Is Cemfloor Suitable For Your Extension?

There is no reason why a home extension cannot have a Cemfloor screed, but the right specification depends on the individual project.

At Screed Meister Ltd, we can discuss your extension, floor construction, and underfloor heating requirements before installation. If you are considering Cemfloor flow screed in Buckinghamshire, contact our team for advice and a free quotation.