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Standard 4' x 8' sheets work for most walls. Use 4' x 12' sheets on ceilings to reduce seams. In bathrooms, use moisture-resistant (green board) drywall.

Plan for approximately 32 screws per 4' x 8' sheet. Screws should be placed every 12" along edges and 16" in the field. Use 1-1/4" screws for 1/2" drywall.

Plan for about 1 gallon of pre-mixed joint compound per 3 sheets. You'll need three coats: tape coat, fill coat, and finish coat. Ready-mix is easier for beginners.