Reviewed guide
Drywall Dust and Old-Paint Safety Before You Sand
Screen drywall sanding and cutting for dust, lead, asbestos, vulnerable occupants, and hidden services before choosing low-dust controls or stopping work.
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Old-Wall Safety
Stop before disturbing suspected lead paint, asbestos, utilities, or damaged substrates.
Safety boundary
Ordinary cosmetic repairs to dry, stable, accessible drywall surfaces only. For immediate danger, leave the area and contact emergency services or the appropriate utility. Do not approach energized, contaminated, unstable, or otherwise hazardous areas.