Sloping Floor base before laminating...

[Bud1234]

Hiya,
My garage is being converted now.
The guys have done the base floor now & will do the laminate flooring tomorrow.

But I noticed a slop in the floor. When I keep a masking tape roll on one side, it rolls to the other end. And I measured the floor to windowsill height. It is 2 cm different at the two ends...

So the floor is not even.

Is this a big problem?
Is it easily rectifiable at the laminate flooring stage?
What do you guys suggest?

Just wanted to ask you guys before speaking to the builder...
Please help.
Thanks

 

[crazydaze]

That's quite a big difference, before you fit the laminate, have you tested the subfloor for moisture content? It normally takes a few weeks for the floor to dry sufficiently so you can lay flooring on it.

 

[Bud1234]

Thanks mate.
There is no moisture issue. The floor is dry.
My issue is the slope. and when they lay the laminate flooring, it will start to wobble & creek.

I have to ask them to sort it somehow...
Dunno how they could do it without creating a big job for them....

Do you know?

 

[crazydaze]

The floor will likely need a cement or repair mortar spreading and then a self levelling screed to finish, you'll need these layers to dry before you can lay the laminate, have you got a DPM in the floor already?

 

[Bud1234]

Yes, DPM is in place. Floor boards done. Only the laminate is left to go in...
Thanks for your help mate

 

[crazydaze]

I was assuming the floor was concrete!

If its a wooden floor there's not a lot you can do unless you batten the floor level! So long as the floor is even it won't be a problem to fit the laminate in top, it will have a slope in the room though!

 

[Bud1234]

Hi,
The builder is using cempolatex on nearly half of the floor area to make it level now.

Is this right?

Please respond...

Many Thanks

 

[crazydaze]

If the floor has been ply boarded you should be ok, if it's a basic chipboard construction, I wouldn't be so sure. Best to check direct with cempolatex Website/customer services and see what subfloor type it's suitable to be used on. Also check the depth at which it covers, I'd imagine you may need a couple of layers built up. Also check drying times, you may need to wait a while before fitting your laminate whilst the residual moisture fully drys out.

I don't personally have experience of cempolatex as a product/brand.

 

[crazydaze]

A quick look at their website says the product is suitable for use on rigid timber floors, call them Technical Enquiries/Customer Service +44 (0)1785 272625 They will tell you exactly what it is suitable for subfloor wise, 2cm is a lot of depth for a levelling compound to cope with, I can't imagine it's possible to cover 2cm in depth with one application.