skip to main page content :: Town & Regional Planning Home > Glossary Home > G >

Gypsum plaster

- is basically, calcium sulphate, the raw material for fine plaster, used for finishing the interior surfaces (walls and ceilings) of a building, which sets rapidly on addition of water. Most gypsum is mined, but it is also available as an industrial by-product. Gypsum plaster is not suitable for exterior use but does have good fire retardant properties.