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Yes, 1/2-inch thick drywall is commonly used for ceilings in residential construction. It provides adequate support and is easier to handle and install compared to thicker drywall sheets. Thicker drywall, such as 5/8-inch, is typically used for ceilings in commercial buildings or areas requiring additional fire resistance or soundproofing. However, for most standard residential applications, 1/2-inch drywall is sufficient and widely accepted.

There is no way to cut drywall without making dust, but you can reduce the amount of dust and especially the dangerous airborne particles by using manual cutting tools. Using a utility knife to score and snap your drywall will minimize dust production, and a jab saw for cutting cutouts for boxes and fixtures will generate almost no airborne dust. Even if you use these methods, you should still wear a respirator and safety goggles to avoid damage to your lungs and eyes.

Drywall mud should be left to dry for at least 24 hours before sanding, though drying time depends on the thickness of the application, humidity, and room temperature. Thicker layers or projects done in high humidity may require 48 hours or more of drying time. You’ll know the mud is ready when it feels completely dry and appears light in color throughout. Sanding too early can cause smudging or gouges, so patience is key for a smooth, professional-looking finish.

Two of the biggest mistakes with drywalling are not measuring (and therefore buying the wrong amount of drywall) and trying to install drywall yourself. A sheet of drywall can weigh around 50 pounds, so it can be difficult to install without a pro or at least some experienced friends willing to help with a DIY installation. It can also get expensive if you don’t measure at least twice before buying the drywall sheets.