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babybull 01-24-2008 09:41 PM

Im I Ready To Install Engineered Floors???

I just bought 5/16 BR111 Tigerwood engineered floors. I also bought the 5star 6mm cork underlayment, for my entire upstairs. I plan on floating the floor.

The home is a fixer upper and currently only the subfloor is upstairs which is 3/4 plywood. I did have to replace a piece in one of the rooms because it was warped along with the joist.

I sanded the joist down and screwed in the new piece of plywood. There is however, no more than an 1/8th of difference between the new/old plywood and small gaps where I replaced the plywood. I filled in the larger gap with liquid nail.

One room also slopes down toward one wall, because the wall didn't have the proper support below it. It has since been lifted and additional joists have been put in for support, but it is still sloping down some, overall the floor is still pretty flat, but there are some small slopes here and there.

My question is will the 1/8th difference in the plywood be a problem? And should I use some kind of self leveler for the wall and the 1/8th gap? If so any suggestion will help since i've never used it before. I'm a new DIYer, but as long as it's not to complicated I would like to save money and do it myself.

Any help would be greatly appreciated!

Kingfisher 01-25-2008 09:50 AM

yes an 1/8" is too much, get a sheet of 1/8" paneling to fur it up;) this will work as long as you are nailing the floor down not gluing it.

steve1234 01-25-2008 12:39 PM

I've been reading some stuff about floors as I, too, am going to be putting down some engineered flooring on a messed up subfloor. From what I've read, I agree that the 1/8" should be address. Also the key is "flat" not necessarily "level". Understanding the difference could eliminate a lot of needless work. Highs and lows will be visible and / or causes squeaks or "soft spots". However as long a floor is flat, you may not see an out of level condition (within reason).

Again, not a pro, just some points from what I've been reading.....

babybull 01-25-2008 04:44 PM

I am not gluing or nailing. I am going to float the floor. The 6mm cork underlayment, according to IFLOORS, is memory foam and will adjust up to 1/8th difference in the floor.

I don't really want to just take the sales rep advise as fact.

Can anyone tell me what type of self leveler I need. The floor is not that bad and if it is something simple then I want to go ahead and do it before I lay the floor down and regret it later. Thanks for y'all reply.

charlesmd 01-28-2008 07:39 PM

If you have installed a new piece of subfloor, you should have a small
gap for expansion/contraction. The laminate floor will probably have a
max deflextion rating on the box or on the website. Pergos, for example is
3/16-max. If you have to fill anything to get get it flat, use a sandable
leveler( lowes, Home dumpo,) they both carry it.Usually used for small areas.
Hope this answers your questions.

Ron6519 01-29-2008 08:10 PM

It sounds like you're installing a laminate floor. Is this one that snaps together?
There are various leveling compounds. Latacrete makes one, Sakrete makes one. The one you use is dependent on the substrate it's going over.
If you're not comfortable listening to the salesman. go the manufacturers website for the installation instructions.

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