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Old 07-01-2011, 05:28 AM   #1
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Laminate over my basement's uneven, radiant concrete


Hi all,
I want to cover my basement floor. I though that the way to go is ceramic/porcelain because I tought it would not be so expensive and dificult to cut as natural stone, and because the are good with heated floors. However, I was told by the specialists I consulted that I have to level the floor and that costs more than putting the floor itself. Just the leveling product for my 165 sq ft can cost $750. I was told aslo that a very good installer can use varying quantities of mortar to put the ceramic decently leveled, but I do not know anyone will to do it.
The other solution is laminate. I know that many bransds are OK with radiant floors. But would they tolarate uneven floors. The floor is not that bad, but it is not prefect for sure. It is going to house my home office. I do not mind some imperfection. What do you guys think? Is it a feasable DIY project?
Thanks!

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Old 07-01-2011, 06:18 AM   #2
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Laminate over my basement's uneven, radiant concrete


You will need to level the floor for the laminate,also.

If you don't your floor will 'clap' as you walk over the hollow spots.

How out of flat is the floor? Leveling is a pricey thing to do,but there are ways----

A tile floor is ideal over a radiant slab.----Maybe time to go back to plan 'A'

Are you going to install this your self or hire the work?---Mike----

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Old 07-01-2011, 08:56 AM   #3
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Laminate over my basement's uneven, radiant concrete


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Originally Posted by oh'mike View Post
How out of flat is the floor? Leveling is a pricey thing to do,but there are ways----
It is not very bad. I tired to use a 2x4. I do not know if it is really even (they are supose to, but they are wood), and it does not seem to be too bad. Maybe 1/4 in 6 ft in one part where there is a "hill" in the slab. I'd love to know those ways...

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Originally Posted by oh'mike View Post
A tile floor is ideal over a radiant slab.----Maybe time to go back to plan 'A'

Are you going to install this your self or hire the work?---Mike----
Well, I was planing to hire someone for plan A, but it is really expensive, specially for the leveling. Maybe I can do the leveling myself and hire someone for the ceramic tiles...
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Old 07-01-2011, 10:05 AM   #4
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Laminate over my basement's uneven, radiant concrete


If leveling for tile 1/8" in 6 foot is very nice----Look at the different self leveling compounds--read the instructions.

Find the low spots and circle the area with chalk or marker---Prime the area if your SLC calls for priming-most do.

Mix a bucket of SLC and pour it into the circle---push it around some use an iron rake---I use a large (1/2'x12") tile trowel and let it float flat.

Be fast! the stuff sets up in minutes----

Thin layers-----adding sand is an option for really deep parts--doesn't sound like you need that.

I use Jiff Set and Linewebers liquid latex---That may be a local brand,however. I am used to it and never had a failure.

Bud Cline had a long post on Self Leveling Compounds-----Perhaps he will show up with a link---

I'm off to work--see you later---Mike--
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Old 07-01-2011, 10:08 AM   #5
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Laminate over my basement's uneven, radiant concrete


Just a thought--if you have a bit of a roll to the floor----avoid any tile larger than 12 x 12---You will have a lot of lippage with the larger tiles.
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Old 07-01-2011, 05:53 PM   #6
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Laminate over my basement's uneven, radiant concrete


Thanks! By the way, would a little bit of grinder on the "hills" would make less SLC necessary?
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Old 07-01-2011, 06:20 PM   #7
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Laminate over my basement's uneven, radiant concrete


Doubtful-- Just see how bad the highs and lows are----grinding is a mess and expensive--

You priced a 8" diamond grinder lately?

Do your homework on SLC and primer----Try a spot and get a feel for the product---

If you find it easy--go for it yourself.----If not hire the work out.----I've never found it to be that difficult myself.

Just move fast.----Mike----

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