Home>Discussions>PAINTING & FINISHING>Leveling Rough Concrete for Vinyl Floor
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toxcrusadr
Leveling Rough Concrete for Vinyl Floor

I'm putting sheet vinyl onto concrete in a small 3/4 basement bathroom. When I pulled up the carpet squares, there is a patch where the previous owner connected the shower drain to the main sewer line. It's only about a square foot, but one edge was not smoothed out very well and there is a bump about 1/8" - 3/16" high right there. If I put down the sheet vinyl I'm sure I'm going to see that bump. Short of pouring levelling concrete over the entire floor, is there any way to level it out, such as grinding down that little area? If so, can you recommend techniques and tools?

dj1
Re: Leveling Rough Concrete for Vinyl Floor

Use a hand held side grinder with a diamond blade. To reduce dust, keep the concrete a little wet.

A. Spruce
Re: Leveling Rough Concrete for Vinyl Floor
dj1 wrote:

Use a hand held side grinder with a diamond blade. To reduce dust, keep the concrete a little wet.

Along with that, you can use a shop vac to help suck up the dust as it is created. You set up box fans with furnace filters on them to capture airborne dust. Do not forget to wear a dust mask with eye protection.

Another option would be to rent a cement grinder, which I believe is a wet grinder and does not produce any dust at all.

toxcrusadr
Re: Leveling Rough Concrete for Vinyl Floor

I did a little ****** searching for a diamond blade, and found them anywhere from $20 (DeWalt) to $100+ (Bosch). I'm sure you get what you pay for, but I hope this isn't a $100 'bump'. I think the handheld grinder is the way to go though. I don't think I need a big machine like you'd use for a whole floor, and that seems to be what rental will get you.

dj1
Re: Leveling Rough Concrete for Vinyl Floor

Get the Dewalt, it will give the same result as the Bosch.
The price tag on the Bosch doesn't mean it's worth 5 times the Dewalt. It merely says that imports cost more, due to the weakness of the dollar.

A. Spruce
Re: Leveling Rough Concrete for Vinyl Floor

Go with the DeWalt blade, I've got one on my angle grinder and it holds up just fine.

toxcrusadr
Re: Leveling Rough Concrete for Vinyl Floor

Great, thanks everyone. I'll try to find that blade locally, and I can borrow an angle grinder from a friend. I'll report back how it turns out!

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