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SDG 09-17-2008 12:13 PM

5 year old house, flooring requirements for basement?

I'm presently finishing my basement which has a concrete slab. I have done a few moisture checks and dont have any issues with water. Recently we got 90mm of rain in a one day period and there wasn't a drop of water anywhere in my basement (well, except the water in the pump pit that was pumped out regularly).

I've visited several of the big box stores and each one has a different opinion.

I plan on using a 8.3mm laminate for most of the area (about 750 sq feet) and maybe tile or vinyl for the bathroom.

My question is, how do I prepare the concrete slab?

Do I clean it with 3 parts water, 1 part bleach first?

And then, should I:

put down DriCore 2x2 panels and then laminate
use OvrX 2x2 panels and then laminate
put only a vapor barrier plastic and lay laminate on it
put Delta down, cover that with a vapor barrier plastic then laminate floor
put Delta or Planton down, cover with Spruce plywood sheets then laminate floor

As you can see, i've gotten lots of opinions...

Obviously, I dont want to spend more then I have too, but I also dont want a crappy solution.

I'm currently leaning towards the Delta and vapor barrier, then laminate floor.

Anybody got advice that doesn't involve me buying their product in the store...?

Bud Cline 09-17-2008 05:34 PM


How about you find somebody to pay you to let them do the installation for you?

Where are you getting all that information? If you desire laminate why on earth would you need any of that other stuff? What am I missing here?:)

SDG 09-18-2008 09:23 AM

I dont want to put laminate directly on the concrete slab.

Info comes from Home Depot, Kent and Sherwood BMR. Each of them suggested something different for under the laminate.

I just figured someone in know here could help me out, maybe get a few people agreeing on the same method would convince me which way is best.

mike costello 09-20-2008 06:26 AM

If your concerned about moisture for laminate, use a local flooring store for your purchase. Tell them your concerns and have them perform a calcium chloride moisture test and the results will dictate the proper steps to take.

A poly moisture barrier will need to be used anyway for most warranty purposes.

They have new vapor retarding products that I have been using with success. Dependable makes one called Cut Down that will bring some low level moisture down to an acceptable level

Bud Cline 09-20-2008 09:11 AM

I would go to a reputable flooring store (not Home Depot) and let them survey your installation. After the moisture tests are completed you will know more, assuming you choose to do moisture testing. I doubt very much you need all that other subfloor gobbly-gook they are trying to sell you. A laminate floor is a floating floor and doesn't require much in the way of a gold-plated substrate. With below-grade installations moisture is the big issue.:)

SDG 09-23-2008 09:53 AM

Ok, thanks all.

I did a few home tests for moisture, doesn't seem to be an issue in my basement.

I'll visit the local flooring store and talk to them. Their flooring is quite expensive, but you get what you pay for I guess.

thanks again

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