Help with subfloor prep for LVT!

4 years ago

last modified: 4 years ago

We measured our entire kitchen floor with a laser level. See measurements differences in picture. There are slight bumps and dips but we have 2 main concerns. First, across its entire width the floor slopes down 1/2"-5/8" over about 8 feet starting from a relatively flat dining area. Toward the nook windows the slope is 3/8 to 1/2" over much shorter distances with the worst in the vicinity of the door.

Presented with the measurements a floor store representative said the difference can't be more than 3/16" over 10' (mfg specs) and told we'd need to get a contractor to level or just flatten the floor before they can install.

We don't know what kind of contractor to find or how to find them. We are considering using floor leveling compound and doing it ourselves. Anyone have any advice?

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Comments (4)

Mary Elizabeth
4 years ago
Who is your installer? The biggest issue for LVP is not "level", but flat. The bumps and dips are a concern, as the flooring can not lay down flat on a bump. Over a dip it will flex too much.

I doubt the floor store rep really understands this. They're just repeating what they've been told.
PRO
User
4 years ago
Level is desired, but Flat is REQUIRED.

The bumps and dips need to be remedied, but the slope does not.
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C T
Original Author
4 years ago
I should have written that they said we'd need a contractor to flatten the floor. Right now our dining area sits mostly flat (shown with primarily 1/8 measurements) and our kitchen side has primarily 3/4 measurements. So a cross section would show flat dining sloped down to flat kitchen. We need to blend the two sides in that transition section. We just aren't sure if that will be flat enough.

The funny thing is the flooring rep gave us a quote and was ready to set up installation until we brought the flaws to their attention. What would they have done if we just had gone ahead with ordering and installation. Would installers just put it in?
C T
Original Author
4 years ago
Is floor leveling compound the best fix? Not self leveling but the kind you put down with a trowel and use a screed over it? Should we find a contractor or do it ourselves?