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Removing slight rises in concrete floor? Calab 07-15-2008
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Posted by Calab on July 15, 2008, 3:59 am

I'm getting ready to lay a laminate floor in my basement. The floor is
smooth enough, except for two places.

In one place, there was a 2'x4' when the floor was poured. This created a
raised area and a lip, as well as a depression where the 2'x4' was. I have
no problem filling the depression, but I can't figure out how to remove the
"hump" around it. I've tried a chisel and large hammer with little results.

The second is simply a small hump in the concrete. Unfortunately, it comes
up enough to interfere with the flooring, so I need to smooth it out.

Anyone have any ideas how I could do this?

Thanks!



Plumbing 468x60
Posted by hallerb@aol.com on July 15, 2008, 6:28 am
> I'm getting ready to lay a laminate floor in my basement. The floor is
> smooth enough, except for two places.
>
> In one place, there was a 2'x4' when the floor was poured. This created a
> raised area and a lip, as well as a depression where the 2'x4' was. I hav=
e
> no problem filling the depression, but I can't figure out how to remove t=
he
> "hump" around it. I've tried a chisel and large hammer with little result=
s.
>
> The second is simply a small hump in the concrete. Unfortunately, it come=
s
> up enough to interfere with the flooring, so I need to smooth it out.
>
> Anyone have any ideas how I could do this?
>
> Thanks!

chip grind, basically remove and use floor leveling compound to level
floor.

use caution if the floor EVER has water troubles, espically if
coincrete floor is below grade.

you must fix ny and all water troubles before making things nice with
laminate

Posted by SteveB on July 15, 2008, 8:08 am
Calab wrote:

>
> I'm getting ready to lay a laminate floor in my basement. The floor
> is smooth enough, except for two places.
>
> In one place, there was a 2'x4' when the floor was poured. This
> created a raised area and a lip, as well as a depression where the
> 2'x4' was. I have no problem filling the depression, but I can't
> figure out how to remove the "hump" around it. I've tried a chisel
> and large hammer with little results.
>
> The second is simply a small hump in the concrete. Unfortunately, it
> comes up enough to interfere with the flooring, so I need to smooth
> it out.
>
> Anyone have any ideas how I could do this?
>
> Thanks!

Rent a concrete grinder. It looks like a floor polisher.

--
Steve Bell
New Life Home Improvement
Arlington, TX

Posted by Reno on July 15, 2008, 9:41 am

Try an air hammer with a flat chisel. Hold it as flat as possible to the
floor and move it around to knock raised parts loose. If you hold it too
vertical it will eat a large hole in a second. Maybe dial down the air
pressure to start to avoid knocking out large pieces.

Surface is not smooth when done but you are going to fill anyway.

Take about a minute and make less dust than a grinder. Pieces all get
knocked all over the place.

Posted by HeyBub on July 15, 2008, 10:26 am
Reno wrote:
>
> Try an air hammer with a flat chisel. Hold it as flat as possible to
> the floor and move it around to knock raised parts loose. If you hold
> it too vertical it will eat a large hole in a second. Maybe dial down
> the air pressure to start to avoid knocking out large pieces.
>
> Surface is not smooth when done but you are going to fill anyway.
>
> Take about a minute and make less dust than a grinder. Pieces all get
> knocked all over the place.

I got an air hammer - with 5 bits - at HF. Cost, oh, about $7.00. It made
really short work of removing carpet tack strips! Then I used my $20 HF
angle grinder to cut off the remaining nails.

Ain't power tools grand?



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