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How to get this rock floor compacted?...

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Forum topic by bradleyheathhays posted 05-16-2021 07:40 AM 258 views 0 times favorited 2 replies Add to Favorites Watch
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bradleyheathhays

31 posts in 142 days


05-16-2021 07:40 AM

I’m trying to even out my dirt/rock garage floor by adding 3-4 in of 1/4” and below limestone fines and mixing/raking in type I / II portland cement into the top 2-3 in. Idea was to use a plate compactor to get it mashed down then sprinkle with water, compact, sprinkle. Well, the small rock mixture with the slippery cement powder doesn’t seem to be suitable for a plate compactor as the machine tends to borough down through the substrate spitting it out from the sides, even at it’s slowest speed. This is a problem I’m guessing larger rock mixtures don’t suffer from. So now I’m left trying to figure out how to get this stuff compacted, I guess by hand? The good news is the rock the machine managed to compact looked fairly good with no gaps. The cement is mixed in thoroughly and fairly deep. Although I’ll be watering/misting I’d say gingerly I plan on giving it enough water so it reaches the bottom layers, and keep it damp over the next week as it cures.

My only ideas for compacting so far are either a 8×8 hand tamper or possibly a weighted roller? Any suggestions?

-- 'If the end of the world ever comes move to Kentucky, because everything there happens twenty years later.' ~ Mark Twain


2 replies so far

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controlfreak

2247 posts in 721 days


#1 posted 05-16-2021 10:09 AM

Even though it would be like using gold you could try lying a sheet of ply over it and running the plate compactor over that. If you had 4” to fill why not just just pour cement?

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bradleyheathhays

31 posts in 142 days


#2 posted 05-19-2021 02:05 AM

Honestly I’ve never priced cement and assumed it would be fairly expensive. Like some of my projects this has gone on for longer and cost more than I originally wanted so maybe ordering the concrete would have been the best option.

Good idea on using a sheet of plywood. If I had more energy I might have tried it but tonight I pulled the trigger on the floor and leveled as best I could with a rake, watered, and tamped it all down.

Looks like it’s not gonna be too bad for my first floor. But now I’m looking for some kind of floor leveler to fill in some shallow areas.

Any suggestion for a floor filler for a floor like this that is gonna be kept damp for the next week as it cures?

-- 'If the end of the world ever comes move to Kentucky, because everything there happens twenty years later.' ~ Mark Twain

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