Hello,

I have a floor that slopes quite a bit in certain areas. From the center of a room measuring 40 sqm towards both walls downward. The height difference is at most probably 50 mm from the highest point.

I have lifted a layer of parquet, and now there is an old plank floor which is not in top condition. Under this floor, there is a sand/gravel mixture that the beams rest in. The beams have approximately 900 mm spacing.

Spontaneously, it feels like it will require a lot of leveling compound, partly given the slope of the floor and partly how much will seep into the beam layer. No idea how to secure this. If we leave the plank, we have 25 mm thickness on this plus say at least 10 mm flow. That is, we are at a minimum of 35 mm height above beams before the parquet is applied.

If we talk about leveling, this naturally takes more time. The time it takes and the thickness of material between beams and floor depends on how you plan to build this up.

What do you need to know? Well, what width can a chipboard of a certain thickness span between two beams?

That is, what is recommended for the type of "grid" of battens that the chipboard should be laid on given its size. There will be no pianos or anything like that in the room; it's a living room with a dining table and sofa.

Thanks in advance!
 
  • Room with wooden floor stripped, removed layers revealing old boards, bookshelf against wall, visible debris scattered across the floor.
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