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Cover Up Air Ducts
.Construction dust sucked into return air ducts can plug your furnace filter. Even worse, small particles can pass through the filter and coat every room in the house with a blanket of fine dust when the blower turns on. Air supply ducts can be a problem too—dust that settles inside will come blasting out when your heating/cooling system starts up. You can close the damper on a supply register, but it won't seal out dust as effectively as plastic and tape. Note: Turn off the heating/cooling system while the ducts are covered. Operating the system with restricted airflow can damage it. Plus: Check out these round ductwork installation tips.
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Pull Drywall Screws
When you pull drywall from a wall, the screws usually stay in the studs. Unscrewing them with a drill is not the most efficient way to remove them because the screw heads are usually deteriorated or full of drywall mud. Use a pry bar or your hammer claw to pull them out just like you would with nails. Drywall screws are brittle, so if some joker used 3-in. screws to install the drywall, snap them off with your hammer. When you're ready to hang drywall again, check out how to drive drywall screws like a pro.