Drywall for a 12x14 Room: Sheets Needed

A 12 × 14 ft room with 8 ft walls has 416 sq ft of wall and 168 sq ft of ceiling. Adding 10% for cuts, you need 21 sheets of 4x8 drywall. Change the sheet size or wall height below.

21 sheets of 4x8 drywall

Sheets: 21 × 4x8 ft
Area: 584 sq ft (walls + ceiling)
Screws: about 600
Joint tape: about 217 ft

Includes 10% extra for cuts. Doors and windows are not subtracted; the offcuts cover waste.
Rules of thumb: about 1 screw per sq ft and 370 ft of tape per 1,000 sq ft.

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Frequently asked questions

How many sheets of drywall for a 12x14 room?

21 sheets of 4x8 drywall, including the ceiling and 10% extra.

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