Rigid Mineral Wool Board Insulation Calculator
Rigid mineral wool board is a strong exterior insulation choice when vapor openness and fire resistance are priorities. Use this as early material planning only; confirm actual product datasheets and local assembly requirements.
Default material estimate
- R-value per inch: R-4.2
- Required thickness for R-20: 4.8 inches
- Order area with 10% waste: 550 sq ft
- Estimated material cost: $2,167
Material snapshot
- Category: Rigid board
- Form: Semi-rigid exterior mineral wool boards
- Typical use: Exterior continuous insulation and fire-resilient rainscreen walls.
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