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How many sheets of drywall for a 8×8 room with 8' ceilings?

Answer
8 sheets (4×8)
Wall area: 256 sq ft (230 after openings)Joint tape: 2 rollsJoint compound: 15 lbs

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How We Calculated This

Sheets = (Wall Area × 0.9) / 32 sq ft per 4×8 sheet

Walls: 2 × (8 + 8) × 8 = 256 sq ft. After 10% openings: 230 sq ft. ÷ 32 sq ft per sheet = 8 sheets

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Calculated using verified formulas. Last updated March 2026.