The walls and windows that surround a wood floor are also partly responsible for room echo.
Should wood floor feel like it has waves.
From the statement you make sometimes it is worse than other times i would guess conditions are not consistent throughout the year.
They can use a multi disc driver plate.
Most of the time wood flooring should have occupied space conditions between 30 50 relative humidity to minimize cupping or crowning like you are seeing.
I have been waiting thinking they might flatten out in time.
Either way the result is not.
Sound waves bounce between the wood floor and the walls intensifying the effect.
They need to spend a lot of time on the finish sanding.
The waves can be fixed but floors will need complete rework.
The boards are not laying completely flat.
You can limit the.
Since this doesn t allow a small air gap between the wood floor and the subfloor this option eliminates that hollow sound and it makes engineered wood feel and sound like real hardwood.
If they do not have rotary sanders like a trio or power drive.
By carlye jones rippling in a wood floor is called chatter if the ripples are less than 1 1 2 inches apart and waves if the ripples are more than 1 1 2 inches apart.