Many refinishers fit a.
How to flatten a floor.
If they consistently roll to the same side that side is lower than the rest of the floor.
On new construction the first step according to moore is to call the builder and tell him to flatten the floor given an older structure or an uncooperative builder then what.
Start by using a circular saw to resaw any tight joints where the plywood or osb panels meet says boone.
Spread it over the entire surface of the floor with the push broom and apply downward pressure to work it into the pores of the concrete.
Apply concrete leveler primer to the floor with a soft bristle push broom.
Repairing cupped or crowned flooring to properly straighten flooring boards that have curled at the edges or bulged in the middle you need an aggressive sanding technique.
When nailing down a wood floor the subfloor should be flat to within 1 4 in 10 or 3 16 in 6.
From the french doors it slopes up a further 3cm to the middle of that area and then is flat for the rest.
Drop a few marbles onto the floor in various areas around the room and then watch them roll.
It is the responsibility of the flooring installer to assess and address substrate flatness before installation.
Make sure to smooth out any puddles of primer to end up with an even coat.