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First laminate floor project

ourkid2000

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Ahoy,

Next week I will be laying down my first floor project. Replacing carpet with laminate in my basement (over concrete).

I'm asking the pros if there's any common pitfalls to watch out for? I'm buying pretty inexpensive laminate and will be doing about 180 sq ft (one bedroom and the hallway).

Thanks!
 
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Kevin54

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Subscribed. I'm interested in this too.

I believe a spacer kit is good to have, and one of those oscillating tools will probably be useful, although probably not necessary.

The spacer kit is handy but not really a necessity. What is a necessity is a rubber mallet and the flatbar and a block used to tap the flooring in. The flatbar is used when you are up against a wall and have to tap the floor in place towards the center . The wife and I did our 24'x24' family room in a days time. Kneepads are a must.
 

Milton Shaw

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Make sure the flooring can handle any moisture from the concrete. Vapor barrier etc may me needed. Laminates really swell up with any moisture trapped under them. Have seen several with visible bulges. Saw a wood floor over a crawl space that you could trip over bumps in the floor from moisture problems. She had no problems with moisture when she had carpet on the floor. Went with hardwood and it had to be completely replaced after fixing the crawl space.
 
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ourkid2000

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Cool, picked up one of those bars and I have a rubber mallet. I bought vapour barrier and underlay designed for being laid over concrete.
 
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pfmg

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make sure the flooring manf, says it is okay for basement installations directly over concrete. If not, i would not be surprised to see every seam swell over time and cause a bump.
 
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ourkid2000

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So I've come up against my first problem.........I'm just a little unsure, might not be a big deal.

When I removed the old carpet, the carpet tack strips were held in with small nails that I pulled. Anyways, every now and then a pretty decent sized piece of concrete came off with the nail. Maybe about quarter size pieces.

Is this a big deal? Should I fill them with something?
 

bimmerZ5

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So I've come up against my first problem.........I'm just a little unsure, might not be a big deal.

When I removed the old carpet, the carpet tack strips were held in with small nails that I pulled. Anyways, every now and then a pretty decent sized piece of concrete came off with the nail. Maybe about quarter size pieces.

Is this a big deal? Should I fill them with something?

not a big deal. if it bothers you, you can get a bag of cement or mortar mix for about $10 and mix a little and fill the holes in with a painter's knife. there are products that come in a tube that you put in a caulking gun, but every one i've tried like that pretty much sucked and cost more.
 

lonestarky

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The following is based on my experience. I did my family room/foyer, hallway and coat closet. About 700 square feet. I did it in 2 12 hour days.

You do NOT need to fill the holes from the tack strips.

There's a specification for a moisture test...something like taping a 12" X 12" square of plastic down and checking for condensation. If you have it, some sort of sealer is necessary. Otherwise, black vapor barrier (i think its 6mil), then underlayment if your floor or vapor barrier doesn't have it attached, then start laying the laminate. Don't get a cheap pull bar, you'll bend the part you hit with the mallet. Make sure the little piece of felt on the pull bar doesn't come off so you're scratching the floor underneath the part your hitting with the mallet.

Glue your seams at any place where there may be moisture (sinks, exterior doorways, etc).

You'll want to check for large depressions, like shallow holes or distortions in the concrete. Self leveling compound, or mortar screeded and trowled flat is a must. A large depression is worse than a sharp small hole. Anything bigger than about a 8" square or round will make the floor spongy.

Try not to finish near a doorway or stair well if you can avoid it.

One of the vibrating multi-tools (dremel, fein) is a must if you have existing trim. A flush cut or back cut saw just wont do it.

A good sharp 60 tooth carbide tipped blade on your table and mitre saw.

Follow the instructions related to expansion, otherwise the seams will tent. Also, if you can avoid putting the laminate around doorways, it will ease the expansion problems you'll encounter. Normally, the install instructions will recommend a joint at most doorways that you're going through.
 

nate379

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On a related note, I have laminate in my house and in the summer the floors make cracking sounds all over the place when you walk on it. Goes away in teh winter. I am guessing it has to do with humidity, but what would a person do to not have it do that?
 
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