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cannibal 09-19-2013 10:46 AM

dricore over concrete/raised floor transition.
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Hello Gents!

First post, I'm a homeowner doing flooring for the first time.
Let me apologize now for the novel that follows, not sure how to convey what i'm trying to get at without laying it all out.

I'm installing glue down cork tile through most of the house but i have one spot in particular which i'm uncertain how to go about handling it. I've done a lot of reading and research as to what my options would be, and I have somewhat of a plan in place but I wanted to lay it out here for validation or recommendations for a different path to take. I lack the experience and knowledge of products available, so any recommendations will be greatly appreciated. :thumbup:

The area in question is what we call the den. One of the previous owners converted the one car garage into living space and tiled it all. There's a step-up where the washer/drier go, and they had placed plywood over the concrete anchored down with construction adhesive and nails into the concrete. This step-up area transitions into the house which is a raised foundation.

When i was demoing that area, the tiles came up with the plywood in most places and it looks like there was water damage on the plywood. The wood smelled of mildew. I can't tell if it's from a previous leak or moisture coming up from the concrete, i did a moisture check a couple times in the past 5 month and they all look ok, but i live in southern california and we rarely see rain so i'm not sure if i should do another moisture check the next time it rains.

That being said, here's my plan of action:
1) level and flatten the floor with a self leveling compound
2) moisture barrier (spraying with concrete treat)
3) install DriCore (or similar system)
4) install final flooring (glue down cork tiles)
5) seal with bona traffic

Is it overkill to use a moisture barrier and the dricore stuff?
I won't be doing this section of the house for about 2 or 3 months so I have plenty of time to figure it out. Here are a couple pictures for reference.

Thanks in advance!

joecaption 09-19-2013 11:02 AM

Plywood never should have been in direct contact with the concrete.
What's the final flooring going to be?

cannibal 09-19-2013 11:07 AM


Originally Posted by joecaption (Post 1243700)
Plywood never should have been in direct contact with the concrete.
What's the final flooring going to be?

final flooring will be glue down cork tile. it's the stuff that's about 5mm thick without the engineered backer (non-click in type). Hope that makes sense :)

(I edited the original post just now to note that in my plan)

cannibal 10-02-2013 10:06 AM


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