How can you know if your drywall has asbestos (without knowing how old the drywall is)? Also, what part of the drywall has asbestos? I sanded down the surface of my drywall without going through the paper, and have just read that older drywall may be contaminated, so I'm a bit worried.
Orignal From: How do you know if your drywall has asbestos?
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