sizeandspec

Drywall sizes

Standard drywall sheets are 4 ft wide and 8, 10 or 12 ft long. Walls usually use 1/2 in, ceilings 1/2 in sag-resistant or 5/8 in, and fire-rated assemblies 5/8 in Type X.

Drywall thickness and use
ThicknessTypical use4 × 8 sheet weight (approx.)
1/4 in (6.4 mm)Curves and resurfacing38 lb
3/8 in (9.5 mm)Repairs and double layers45 lb
1/2 in (12.7 mm)Interior walls52 lb (lightweight about 40 lb)
5/8 in (15.9 mm)Ceilings, fire-rated walls, garages70 lb

Weights vary by manufacturer and core type.

Questions people ask

How much area does a 4 × 8 sheet cover?

32 square feet (2.97 m²).

Related sizes

Sources and method

  • ASTM C1396 gypsum board standard sizes

Imperial and metric values are converted with 1 in = 25.4 mm exactly and rounded only for display. Found a mistake? Report it and we will correct the page.