If water seeps up under the flooring from an extremely moist concrete subfloor the adhesive can be weakened causing buckling in the floors.
Floor is bowing up.
How to fix bowed floors.
If you have a noticeable hump in the floor however something.
First off you need to identify the areas where the floor is bowing to figure out where the floor is butting against the perimeter.
The higher quality the material the less likely it is to buckle due to moisture.
Another important part of installation is the expansion gap.
The flooring should be installed leaving a gap of 1 4 inch to 1 2 inch around the perimeter of the room.
Bowing or warping of floor boards can occur for several reasons.
Because soil shifts and house frames settle there is usually a slight variation in floor level.
During installation run a vapor barrier under the vinyl plank flooring to help prevent buckling from moisture.
Check the humidity level of the room and use a dehumidifier if the air is too moist particularly depending on the time of the year.
Without this barrier moisture can cause buckling.
A moisture barrier is a thin sheet of polyethylene that is laid between the subfloor and the hardwood.