Uneven ground

DodgySailor · 11 Feb 2021

Dear all,
We are currently working in the room of the picture and there use to be a dividing wall where you can see the groove. The ground is higher in one side and quite uneven. The idea is to create a single ground floor as even as possible.
One alternative is self leveling compound but we are not too keen on this idea as it will not level 100% and we will need lots. Anyone can suggest a good alternative?
Many thanks

yardie · 11 Feb 2021

Floor covering? Use a higher floor underlay on one side. After filling in the channel, of course.
Though this will reflect a change in height against the existing skirting between the 2 rooms unless your altering/replacing the skirting.
Also think of the door opening, height clearance ok?
Door in photos is on the high side so will be ok, but are there any other doors to consider?

DodgySailor · 11 Feb 2021

Thanks, the difference in level is too large to do that. I would say it may be 2 to 3 centimetres in some parts

^woody^ · 11 Feb 2021

Do you mean the floor or just the recess?

If the floor, they are no practical options other than self leveller. For the recess, use cement screed.

Tigercubrider · 11 Feb 2021

is there only one door? or two?
If two then raising the floor will be a potential issue.
What use is the room to be used for?

DodgySailor · 11 Feb 2021

There is only one door, the room will be used as a classroom with some individual desks and chairs situated parallel to the groove. The lowest area is the one near the door and as you say it may be a problem if using self leveling compound

Tigercubrider · 11 Feb 2021

only thing I can suggest is if the high part is the smaller of the two, somehow remove about 3-4 cm from that. Then use concrete or leveller to bring it back to the level of the lower floor.
It would be pretty messy to do but dust can be controlled with framing and polythene sheeting.

Tool wise, if there isn't a tool for this, something like a cable chaser used horizontally? Then an SDS drill to remove the middle bit.
Then a screed. Play your cards right and you could chase it accurately

cdbe · 11 Feb 2021

Some of the leveling compounds can be bulked out with sharp sand to make them go further.

Old Salt · 11 Feb 2021

Sand and cement screed in the trough and then lay some ply of the correct thickness on the lower floor

23vc · 11 Feb 2021

Tigercubrider said:
only thing I can suggest is if the high part is the smaller of the two, somehow remove about 3-4 cm from that. Then use concrete or leveller to bring it back to the level of the lower floor.
It would be pretty messy to do but dust can be controlled with framing and polythene sheeting.

Tool wise, if there isn't a tool for this, something like a cable chaser used horizontally? Then an SDS drill to remove the middle bit.
Then a screed. Play your cards right and you could chase it accurately

you can get floor grinders/angle grinder cup attachments. But I’d rather self level all day than mess about with that noise and dust.

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Uneven ground

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