How Much Insulation for a 12×24 Attic?
The answer
317 square foot
For a 12×24 ft attic, with 10% overage included. Estimated cost: $380 at US national average pricing.
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You need
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square foot
- Area
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- With 10% overage
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- Estimated cost (US avg)
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How we calculated this
- 1. Area: 12 × 24 = 288 sq ft
- 2. Convert + overage: Add 10% for waste → 317 square foot
- 3. Cost: 317 × $1.20 ≈ $380
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