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.
Glue down hardwood floor problems.
Fortunately this is not a common occurrence.
Floor buckling happens most often after a floor has been flooded for an extended period of time.
Newer adhesives are elastomeric.
The glue down method of engineered wood flooring installation is typically the most common and creates a highly stable floor.
Buckling occurs when the wood flooring actually pulls up from the subfloor lifting several inches in one or more places.
Improper floor preparation using the wrong adhesive or applying incorrect amounts are all common pitfalls of a failed flooring installation.
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.
When small polyurethane droplets form along the edges of each floorboard moisture is always to blame.
When working on a clean concrete subfloor the glue down method is often the go to choice.
The droplets are caused by polyurethane flowing into the gaps between floorboards while the floor is moving.