Crawl Space Insulation Calculator
Insulation type and R-value for crawl space encapsulation.
Inputs
sq ft
ft
ft
Results
Insulation thickness
9.55 in
Total project cost
$6,706
Insulation area800 sq ft
Vapor barrier area800 sq ft
Insulation material cost$2,293
Vapor barrier cost$400
Est. annual savings$225
How to Use This Calculator
- Enter Crawl space area, Perimeter length, and Wall height.
- Set Insulation approach, Floor insulation (vented crawl), and Wall insulation (encapsulated).
- Adjust Material, Fiberglass batts (R-3.14/in) as needed.
- Review Insulation thickness (in) and Total project cost ($).
- Use Insulation area (sq ft) and Vapor barrier area (sq ft) to inform your decision.
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