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Most levelling compounds won't do 30mm in a single application and will probably be expensive for a whole garage. I guess you could lay a new layer of concrete on top with some kind of additive to avoid it being too brittle to get it closer to level and then finish off with levelling compound?
Not sure if they're suitable for taking the weight of a car etc.
rhowe-
Thanks, there will never be a car in there, so no issues there.
I can't really build up from the current level more than a little bit, there would be a step up in floor level from exterior to interior. Suppose it could ramp down to the door , but likely stats getting tricky to do.
I wonder if there is any way to cut out some of the bigger bulges there currently, most of the variance in height is limited to some small bulging higher areas
chrismanc
I have an uneven concrete garage floor. There are a few lumps on it , and it's about 30mm out of level.
I would like to level it. Want to spend as little as possible rectifying. Is there a sensible way to get rid of the larger lumps, and then screed or add self levelling compound?
Would prefer not to have to take up the whole concrete floor as this will cost a fair bit all in