When small polyurethane droplets form along the edges of each floorboard moisture is always to blame.
Glue down hardwood floor problems.
Newer adhesives are elastomeric.
The elasticity in hardwood flooring glue ensures that the hardwood will have an ample amount of space to expand and contract without causing the glue to crack or separate.
Buckling occurs when the wood flooring actually pulls up from the subfloor lifting several inches in one or more places.
Boards adhere well to the rough surface of the concrete subfloor and therefore lead to less gaps or planks lifting and buckling.
Glue down hardwood floor installation reduces but does not eliminate wood movement the adhesives used to glue wood down to a subfloor make for an extremely strong bond.
Floor buckling happens most often after a floor has been flooded for an extended period of time.
Floor buckling is the most extreme reaction to moisture in a hardwood floor.
Improper floor preparation using the wrong adhesive or applying incorrect amounts are all common pitfalls of a failed flooring installation.
Fortunately this is not a common occurrence.
When working on a clean concrete subfloor the glue down method is often the go to choice.