Level a sloped floor

Question

Please can anyone give me some advise ive moved in to an old property and have extensive repairs however after lifting the carpet we have noticed a slope in the floor we want to lay flooring but laminate wood and vynyl will not be suitable until leveled. What option / cheapest option to level this floor.

Aj · Answer

Dear sir/madam
 
If your trying to level on floorboards 
Then you cheapest option would be plywood with screws
However if it is concrete 
Then you will need renovation screed 
We use tool station renovation screed 2340 
Is easy to do 
And is spreads itself 
Leaving  with a smooth finish 
You just have to seal the edges with some cheap sealant before making sure that it stays where it needs to be.
Please be aware that before self leveling compound 
The concrete (must be Primerd) 
Best wishes 
AG Kevi’s floors

Michael · Answer

It would depend on the sub floor of it's concrete it can be screeded, if it's floorboards that can be plywood over then screeded.

Mike · Answer

Any concrete floor can be leveled by screeding with sand/cement mix.....and slower slopes can be  levelled with levelling compound or a combonation of the two methods.
Presuming you have existing conctete floors.

Wooden floors can also be levelled by carpentry work.

İlya · Answer

The cheapest and most practical option is **self-levelling compound (floor leveller)**:

1. **Clean** the floor thoroughly and repair any cracks
2. **Prime** the surface (essential for adhesion)
3. **Pour and spread** the self-levelling compound — it finds its own level
4. **Allow to cure** (usually 24 hours before laying flooring)

**Things to check first:**

- If the slope is significant (>10mm), you may need to build it up in **multiple pours**

- If it’s an old property with **suspended timber floors**, self-leveller isn’t suitable — you’d need to re-lay or pack out the joists instead

- Identify **why** it’s sloping — if it’s subsidence or structural movement, levelling it cosmetically won’t fix the underlying problem

Bags of self-leveller cost around £15–25 each, making it one of the most cost-effective solutions available.

John · Answer

Usually best for it to be screeded.

Robert · Answer

Before choosing a method, consider your doors and skirting boards.
​If you use plywood or pour a thick layer of compound to bring a deep slope up to level, you are going to raise the floor height significantly at one side of the room. You will almost certainly need to take the internal doors off their hinges and plane a few millimetres off the bottom so they don't scrape your beautiful new laminate!

Level a sloped floor

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