Toan Chau's products meeting the standard of ASTM

Concealed ceiling is a part of the work that contributes to covering, sound insulation, heat insulation and to handle defects in the interior decoration.

The concealed ceiling system shall be covered with gypsum board after completing the work.

​Exposed ceiling is a part of the work that contributes to covering, sound insulation, heat insulation and interior decoration. The exposed ceiling system shall show the border assorting with the ceiling tiles before and after completing work.

​The gypsum board combined with frame and and accessory system shall create drywalls used in construction and interior decoration.