Room12 x 14 ft, 8 ft ceiling
Board area544 sq ft after openings
Sheets19 x 4x8 with 10% extra
Compound5.1 gal
A bedroom is a good first drywall job: square corners, one door, one or two windows.
Materials
| Item | Amount |
|---|---|
| Drywall, 4x8 | 19 sheets |
| Ready-mix joint compound | 5.1 gal (2 pails of 4.5 gal) |
| Paper joint tape | 201 ft |
| Screws and corner bead | per your layout |
Compound and tape use USG’s coverage figures.
Steps
- Hang the ceiling first, then the walls, top row before bottom.
- Tape and bed every seam, then apply fill and finish coats, sanding between.
- Prime before painting.
Sources
- USG Beadex Lite taping compound submittal: about 9.4 gal per 1,000 sq ft of gypsum panels
- USG Sheetrock paper joint tape product data: about 370 ft per 1,000 sq ft of panels
Sources last checked 1 November 2026.
Calculators for this project
Frequently asked questions
How many sheets of drywall for a 12 x 14 room?
About 19 sheets of 4x8 for walls and ceiling, with openings taken out and 10% extra.