What Is Cement Screeding and Self-Levelling?
Cement screeding is a thin layer of material that is placed on top of a concrete subfloor and is designed to provide a smooth level surface in both commercial and domestic buildings prior to the application of floor finishes. Our specialist flooring division specialises in floor screeding and levelling solutions for a range of commercial and industrial environments. Self-levelling on the other hand is a type of cement coating finish that is usually applied on top of cement screeding in order to prepare the sub floor for vinyl installation. It is more smooth and even than cement screeding.
We provide all kinds of cement screeding and self-levelling services.
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What is the difference between cement screeding and self levelling?
Cement screeding is a thin layer of material that is placed on top of a concrete subfloor and was designed to provide a smooth level surface in both commercial and domestic buildings prior to the application of floor finishes. Our specialist flooring division specialises in floor screeding and levelling solutions for a range of commercial and industrial environments. Self-levelling on the other hand is a type of cement coating finish that is usually applied on top of cement screeding in order to prepare the sub floor for vinyl installation. It is more smooth and even than cement screeding.
What is cement screeding made of?
Cement screeding is a thin layer of material that is placed on top of a concrete subfloor. Most screeds are made from cement and sharp sand. A simple cement and sand mix will be fine for a simple application but more sophisticated mixes are suitable for a wider range of applications.
Are there different types of cement screeding?
There are three main different types of screeds: bonded, unbonded, and floating. The type of screeds you use depends on the type of concrete base and your requirements.
- Bonded screed ; this kind of screed is completely bonded to the concrete sub-base using a special bonding agent. It's typically used when a thinner screed is required.
- Unbonded screed ; This type of screed is laid on polyethylene membranes, to separate the final layer of screed from the concrete base substrate. This type of screed is usually used for older concrete substrates.
- Floating ; This type of screed is usually laid on a thermal insulating layer, usually on top of damp waterproof membrane that separates the concrete floor sub base.
What can cement screeding be used for?
Cement screeding is used to level out and or raise the height of a concrete sub-base. It provides smooth and even finishes that are better for laying floorings, such as vinyl flooring.
What's the difference between cement screeding and concrete?
Both are made up of cement, aggregate, and water, but cement screed is a smoother, more free-flowing mixture made with finer aggregate. Concrete aims to provide strength and stability while screed creates a smoother top layer.
Can I pour cement screeding over concrete?
Yes, the main application of cement screeding is to pour over a pre-existing concrete floor, slab, or sub-base to level it out and leave a smoother finish.
Do all concrete floors need cement screeding?
For concrete flooring, it is important to finish off the concrete with a layer of cement screeding. Without this top screed level, you will have extreme difficulties levelling the floor well enough to apply your final finish of carpets, tiling, vinyl flooring, etc.
Am I allowed to visit my house when you are doing the cement works?
Yes you may, but you are not advised to step inside as we are doing our works. Once the works are done, you are not allowed to step inside so that the cement screeding can dry without any interference.
How long does cement screeding take to dry?
Different types and thicknesses of screed will take different lengths of time to dry or cure. It should be left at least 24 to 48 hours.
How much does cement screeding and self levelling cost?
As there are various factors involved in a cement screeding job, we advise to arrange for a free site visit so that we may understand your requirements better before sharing a quotation with you.
Is cement screeding suitable for all types of floors and all types of properties?
Cement screeding is a multipurpose concrete top layer and can be used in most premises including domestic/residential, commercial, industrial, and even agricultural properties.
How do you prepare a floor for screed?
First, it is important to clean the concrete floor to get rid of any dust or grease. Once this has been done, add the screed on top of it.
Why is laying cement screeding important?
Cement screeding is important to give a smooth and even surface to a sub-base that could be unsafe. Generally, the level of a floor surface should not vary by more than 5mm over the space of 3 metres, and a correctly laid screed can ensure this.
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