Flush doors are simple door designs that have plain facings on both the sides.
Flush doors may have a solid, hollow or stave core.
If the core is solid – low density particle board or foam often being used to fill the
space within the door completely – it may be supplemented with a type of laminate
or plywood on each side.
Benefits of using Flush Doors
Flush doors are stiff,impact resistance and possess high strength.
Flush doors are more economical.
Flush doors are decay proof.
Flush doors are dimensionally accurate and stable.