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holsomback
Uneven floor slope
holsomback

We are renovating the kitchen/dining room in our 1950 house. The kitchen is original to the house and the dining room was added on in 1958. The floor in the dining room is higher than the original kitchen floor and has a drop of a half inch over a three foot span. The dining room floor currently has two layers of linoleum and the kitchen has a layer of linoleum and a thin layer of plywood. We want to install bamboo floors throughout both rooms as well as pantry cabinets on the part of the floor that is sloped. Any suggestions of what to do to have the floor level enough to install the pantry cabinet and the bamboo flooring?

Photos of the floor/slope: https://www.flickr.com/photos/alyak/sets/72157647157862580

dj1
Re: Uneven floor slope
dj1

First: are your kitchen and dinning room on slab or joists?

If on slab, a leveling cement can make the two surfaces match.

If on joist, you first have to determine the deflection of your sub floor. Go to johnbridgetileforum.com and use their formula to determine that. Why is that important? bamboo flooring is pretty heavy, so you need to make sure your sub floor can support the additional weight.

holsomback
Re: Uneven floor slope
holsomback

It is on joists. We do know that our floor is level at the sub-floor from looking in the crawl space below and know that the weight of this bamboo is no problem for them.
I have considered using leveling cement but don't really want to fill my kitchen with it since the rest of the floor is level and I would have a 1.5 inch drop to the rest of the house.

ed21
Re: Uneven floor slope
ed21

Be sure to check that you don't have any foundation problems or termites or rotted sill

Mastercarpentry
Re: Uneven floor slope
Mastercarpentry

If you have a 1/2" drop over a 3' span, that's where the problem is and that's what you need to address first for a proper fix. Study the construction of the addition and see if you can determine why it wasn't built to the existing floor's elevation as would normally be done. Somethings fishy here and I can't figure it out based on what you've posted so far so I can't recommend any specific solutions at this point. Exact levelness isn't usually as important as overall floor flatness but with that much slope in a dining room you can't serve soup!

Phil

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