Calculate R-values, U-values, and thermal resistance for building insulation systems.
Determine optimal insulation thickness, thermal performance, and energy efficiency for walls, roofs, floors, and other building components.
Click on any example to load it into the calculator.
Standard fiberglass batt insulation commonly used in residential construction for walls and attics.
Insulation Type: Fiberglass Batt
Thickness: 140 mm
Thermal Conductivity: 0.04 W/m·K
Wall Thickness: 200 mm
Area: 50 m²
Temp Difference: 25 °C
Air Resistance: 0.8 m²·K/W
Additional Layers: 0.5 m²·K/W
High-performance spray foam insulation with excellent thermal resistance and air sealing properties.
Insulation Type: Closed-Cell Spray Foam
Thickness: 100 mm
Thermal Conductivity: 0.025 W/m·K
Wall Thickness: 180 mm
Area: 40 m²
Temp Difference: 30 °C
Air Resistance: 0.8 m²·K/W
Additional Layers: 0.3 m²·K/W
Eco-friendly cellulose insulation made from recycled paper, commonly used for attic and wall insulation.
Insulation Type: Cellulose
Thickness: 120 mm
Thermal Conductivity: 0.038 W/m·K
Wall Thickness: 220 mm
Area: 60 m²
Temp Difference: 20 °C
Air Resistance: 0.8 m²·K/W
Additional Layers: 0.4 m²·K/W
Fire-resistant mineral wool insulation with good thermal and acoustic properties for commercial applications.
Insulation Type: Mineral Wool
Thickness: 150 mm
Thermal Conductivity: 0.035 W/m·K
Wall Thickness: 250 mm
Area: 80 m²
Temp Difference: 35 °C
Air Resistance: 0.8 m²·K/W
Additional Layers: 0.6 m²·K/W