How much drywall does a ceiling need?
The room
ft
ft
ft
Sheet size
Thickness
Stiffer, so it sags less on ceilings. Also the usual Type X fire rating.
Waste is 10%, 0 outside corners. Defaults are fine for most rooms.
Room plan
shape only, not to scale
walls skippedceiling boarded
You need
8sheets
4 × 8 ft · 5/8 in · 10% waste
wallboardcalc.com
Materials
$210
at your prices
- Ceiling
- 224 sq ft
- Net area to board
- 224 sq ft
- Sheets before waste
- 7 → 8
- Weight to carry
- 561 lb
What to put in the cart
Finishing follows the manufacturer coverage rates: 10 gal of mud and 370 ft of tape per 1,000 sq ft.
- 1$166
8 × 4 × 8 ft 5/8 in drywall sheets
- 2$18
2 × 1 lb box of 1-5/8 in drywall screws (about 245 screws)
- 3$7
1 × 250 ft roll of paper joint tape (83 ft needed)
- 4$19
1 × 4.5 gal pail of all-purpose joint compound (2.2 gal needed)
The whole setup lives in the link — send it to whoever is helping.