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Paint & Walls Materials Drywall is available in several types, thicknesses and performance categories. Standard panels work for many interior walls, while other products are designed for moisture-prone areas, fire-rated assemblies, ceilings or sound-control applications. Quick answer: regular drywall is suitable for many dry interior spaces, moisture-resistant panels are designed for areas with higher humidity, and fire-resistant panels are used when a wall or ceiling assembly requires additional fire performance. Already know which drywall you need? Calculate how many sheets your walls and ceilings require using room dimensions, sheet size and waste allowance. Use the Drywall Calculator How Much Drywall Do I Need? Main Types of Drywall STANDARD Regular Drywall Common gypsum board for interior...

Paint & Walls Guide To estimate drywall, calculate the total surface area of the walls and ceiling you plan to cover, subtract large openings when appropriate, add a waste allowance and divide the result by the coverage of one drywall sheet. Quick answer: a standard 4 ft × 8 ft drywall sheet covers 32 ft². Calculate the total wall and ceiling area, add waste, divide by 32 and round upward to estimate the number of sheets. Want the sheet count automatically? Enter your room dimensions, wall height, sheet size and waste allowance into our free Drywall Calculator. Use the Drywall Calculator Square Footage Calculator How to Calculate Drywall for a Room A drywall estimate begins with surface area. For a rectangular room, calculate the area of all four walls using the perimeter and wall height. Room Perimeter =...

Paint & Walls Materials Interior and exterior paints may look similar in the can, but they are designed for very different environments. Interior paint focuses on appearance, cleaning and indoor use, while exterior paint must handle weather, sunlight, temperature changes and moisture. Quick answer: use interior paint for indoor walls, ceilings and trim, and use exterior paint on surfaces exposed to outdoor conditions. The formulas are designed differently, so one should not automatically be substituted for the other. Planning a painting project? Once you choose the right paint, use our calculator to estimate wall area, coats, gallons and optional material cost. Use the Paint Calculator Calculate Surface Area Interior vs Exterior Paint at a Glance Feature Interior Paint Exterior Paint ...

Paint & Walls Guide To estimate how much paint you need for a room, calculate the wall area, subtract doors and windows, multiply by the number of coats, and divide by the coverage listed on the paint can. Quick answer: calculate the total square footage of the walls, subtract large openings, account for the number of coats, then divide by the paint's coverage per gallon. Always round up enough to finish the project. Want the answer without doing the math? Enter your room dimensions, doors, windows, number of coats and paint coverage into our free Paint Calculator. Use the Paint Calculator Square Footage Calculator How to Calculate Paint for a Room Paint quantity is mainly based on the amount of surface you plan to paint. For a simple rectangular room, you can calculate the four walls using the room perimeter and wall heigh...