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How to clean drywall dust
Block off all vents and openings with plastic sheeting.
Heavy-duty plastic sheeting helps to minimize how much dust gets dispersed through the air. Cover all the openings throughout your home, such as doorways and windows, with it.

-- Make sure you use ordinary plastic or metal sheet as the base for your new drywall. Cut plywood down to the right length to clean the walls.. -- Ventilate smoke-free spaces whenever possible. If you have a live-up smoke detector, ensure that the unit is on a low-to-moderate level.. -- This will help keep dirt and debris out of the room. Installing a sliding-screen door, shed door, etc.. -- For best results, hang the sheeting from floor to ceiling. Cover all of the air vents and ductwork..
For best results, hang the sheeting from floor to ceiling. Cover all of the air vents and ductwork.