Is Drywall Dust Explosive

The dust from drywall and the mudding compound is made from gypsum – a mineral – and water. It is not flammable. No. The dust isn’t flammable.

Is drywall dust hazardous?

To answer your question in short: drywall dust is not toxic to the body in smaller amounts. This means it will not cause any long-term diseases. However, it can irritate parts of the body, like the eyes and throat. This is because it is made of a chemical known as gypsum (calcium sulfate dihydrate).

Is gypsum dust flammable?

Certain materials in their pure chemical state will not form combustible dust, including cement, gypsum, limestone, sand and salt.