You don’t have to PVA before applying self-levelling compound. However, always check the manufactures Data Sheet for your chosen product. These can normally be found on the manufactures website. Note: All self-levelling compound manufacturers are required by law to produce a data sheet for their products. This will normally contain information on the preparation of…
Normally self-levelling compound is poured as a thin 5mm layer to smooth the floor ready for the finished floor covering. HOWEVER You can comfortably pour 90% of all self-levelling compounds up to around 12mm if you have a very uneven subfloor. The main idea of self-levelling compounds is not to get the floor perfectly level,…
The amount of self-levelling compound you need very much depends on how thick you intend to pour it. Normally self-levelling compound is poured as a thin 5mm layer to smooth the floor ready for the finished floor covering. You can pour most self-levelling compounds up to around 12mm if you have a very uneven subfloor….
Here I will give you a list of tools you might need when applying a self-levelling compound. It is easy to use self-levelling yourself because it spreads around the room naturally finding its own level. All you need to do is help spread it around to get a professional-looking finish. If you have all these…
It is easy to calculate exactly how much self-levelling compound you will need. Bear in mind you should always have a bag or two extra just in case you end up using more than expected. The self-Levelling compound comes typically in either a 20kg or 25kg bag. This is standard across all manufacturers. Self-levelling compound…
You can’t usually apply self-levelling compound directly onto timber floorboards due to Gaps, Steps and Movement between the individual floorboards. Domestic Floor Layers usually insist that the floor is overboard with a minimum of 6mm thick plywood, before applying any self-levelling compound. Note: The floorboards must still be firmly affixed to the floor joists before…
All self-levelling compound has a certain level of flexibility. This very much depends on the type of self-levelling compound you decide to use. The 3 types of self-levelling compound are listed below: Latex mixed – Self-Levelling Compound (Highly Flexible) Water mixed – Self-Levelling Compound (Non-Flexible) Water mixed – Fibre Reinforced – Self-Levelling Compound (Flexible) The…
To prime or not to prime, that is the question. Ideally, you don’t want to be messing around applying a primer before you apply a self-levelling compound. It adds an extra step to the process and it can get complicated deciding which primer to use, in what ratio, and for what substrate material. It also…
If you are working on an upper floor, then you should use a “flexible” self-levelling compound. There is often more potential for movement on upper floors. Unless you are working in a high-rise flat or building that will have solid concrete upper floors. There will always be a certain amount of movement in conventional suspended…
You can use self-level over a solid timber ground floor if the right conditions are met and you use the right product for the job. If you use the appropriate self-levelling compound there is no need to prime the timber sub-floor floor either. You only need to ensure it is clean and dry before you…
Yes, you can pour a “flexible” self-levelling compound directly onto a tiled floor, without the need for a primer, under the following conditions: You use a flexible self-levelling compound, these normally come with a bag of self-levelling cement and a tub of latex – in a premixed ratio. This also means you don’t have to…
Self-levelling compounds should never be applied over laminate flooring. It should all be removed to get back to a solid subfloor. Laminate flooring is easy to remove yourself, as it just clicks together. Don’t be an idiot, rip it out and start fresh. But if you want to know the reasons why, read below. Laminate…
You might NOT be able to apply a self-levelling compound directly onto a wooden floor, without over-boarding it with Plywood first. If it is on a suspended timber ground or upper floor it will be subject to movement. The only time you can apply a self levelling compound directly to a timber floor is usually…
If your floorboards are gappy and uneven then it is often best practice to overboard them with Plywood. This helps you to create a smooth unified surface without having to rip up all your old floorboards. Once the floor has been over-boarded with Plywood, you can confidently apply your finished floor covering or self-levelling compound….
You can use self-levelling compound outside, if you choose the right product. Ardex K 301, Resin Coat CTR044, Setcrete Exterior Floor Levelling compound, Pourable Concrete, Leveller by floorsaver are all suitable for this application. They are all specially formulated to be incredibly hardwearing and unaffected by rain or frost. They are also able to withstand…
Asphalt is smooth and non-porous so you cannot apply the normal self-levelling compound that is mixed with water. It will not adhere correctly start to crack and eventually flake off over time. You can apply Ardex NA which is a two-part latex based self-levelling compound. It always comes with a bottle of latex and a…