Drywall partition or gypsum board partition as commonly referred to in Selangor, Malaysia are popularly used in the construction of interior partition walls and ceilings.
Gypsum boards are able to provide efficiency in installation, a measure of fire resistance, added benefits such as thermal (temperature) and acoustic (sound) insulation to the premise or building. Hence it's prevalence.
But gypsum board is easily damaged if exposed to water and it also supports the growth of mould / fungi as gypsum is a porous and lightweight substance.
For rooms that are exposed to high humidity and wet surrounding where washing and cleaning are carried out such as in assembly plant or research and development lab in factories, chemboard and cement board will be used instead.