Mould-resistant drywall, also known as moisture-resistant drywall or green board, is a type of gypsum board that is designed to resist the growth of mould and mildew. Traditional drywall is made of gypsum plaster and paper, which can be a breeding ground for mould if it becomes wet. Mould-resistant drywall, on the other hand, is made with a special type of paper that is treated with a fungicide to prevent the growth of mould and mildew. Mould-resistant drywall is commonly used in areas of the home that are prone to moisture, such as bathrooms, kitchens, and laundry rooms. It is also used in commercial buildings, such as hospitals and schools, where the risk of mould growth is high. In addition to its mould-resistant properties, this type of drywall is also more resistant to water damage than traditional drywall. There are two types of mould-resistant drywall: Type X and Type C. Type X drywall is designed for use in fire-rated assemblies and has a layer of fiberglass added to the gypsum core to improve its fire resistance. Type C drywall is designed for use in areas that are exposed to high levels of moisture and has a core that is made of a non-combustible material, such as cement. Overall, mould-resistant drywall is a durable and effective solution for preventing the growth of mould and mildew in areas of the home or building that are prone to moisture. Its use can help to improve indoor air quality and reduce the risk of health problems associated with mould exposure.
moisture-resistant, gypsum board, fungicide, water damage, fire resistance
CITATION : "John Thompson. 'Mould-resistant Drywall.' Design+Encyclopedia. https://design-encyclopedia.com/?E=273992 (Accessed on July 16, 2025)"
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