If it has sustained long term damage from a persistent leak or high humidity however the glue joints may be loose and the plywood warped.
Kitchen cupboard door water damage.
When particleboard gets wet it can swell or even disintegrate.
While most companies use very high quality varnishes or lacquers the problem is they do not apply a thick enough coat to protect the wood.
Water caused the cabinet to swell and the glue broke open at the seams.
The damage might be confined to the lower half of the.
Most often it is due to water that has spilled on the door or transferred from our wet hands when we open the doors.
This can happen if the piece was washed with water rather than using a tack cloth for surface preparation.
These images are all mdf cabinets that have been damaged.
The cabinets in these two pictures are more than the usual damage we see from the water.
Blushing is common in older pieces as condensation permeates the lacquer or shellac finish.
Once the water makes its way down the cabinet door it settles either in the cabinet panel seams or in this case between the base trim and the base of the cabinets.
Particleboard is a composite wood that is used to construct furniture door cores floors and cabinets.
This exposes a consistent weakness in the finishing process of many manufacturers.
In some cases water damage can also render your cabinets useless especially in cases where you re dealing with a water leak in the cabinets under your kitchen sink or a similar issue.
Over time water can destroy the outer shell of your kitchen cabinets damaging the finishing and darkening the wood.
Electric or air sanders can even out raised particleboard from water damage.