How Much Lumber for a 16×20 Deck?

The answer

352 board foot

For a 16×20 ft deck, with 10% overage included. Estimated cost: $1,408 at US national average pricing.

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board foot

Area: —
With 10% overage: —
Estimated cost (US avg): —

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How we calculated this

1. Area: 16 × 20 = 320 sq ft
2. Convert + overage: Add 10% for waste → 352 board foot
3. Cost: 352 × $4.00 ≈ $1,408

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