The scheme for calculating drywall on the wall. In this case, it is necessary to carry out accurate calculations, for example, when installing drywall on the walls or ceiling. What is needed for this? Below are tips and recommendations, based on which, any interested person will be able to correctly calculate drywall for walls. For an estimate, use the calculator above or follow these steps: Drywall needed = total area/sheet size. Multiply the length and height of one wall. Don’t worry about excluding windows and doors, they’ll get trimmed later. Notes: This estimate doesn't include an allowance for waste. It's based on the manufacturer's recommended installation practices. Other methods of installation may use more or less material. Nov 02, 2019 · Drywall dust is insidious. It creeps into every room. It lingers for months after the project. No matter how vigilant you are, there will be clean up, and then more clean up. Getting rid of drywall dust is a nightmare, but there is a method to making it go easier. Drywall. If you sand drywall or joint tape you may be exposed to dust containing gypsum and crystalline silica. Asbestos may also be present in older drywall mud. Both of these can cause health problems. To protect yourself, always wear a respirator while working with drywall. Keep dust to a minimum while cleaning up the jobsite.