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Get R30 Insulation Thickness Calculation and comparison sheet to find and select most suitable insulation materials for your use. Heat Insulation made of Fire Resistant Insulation Inorganic Mineral Fibers at Wedge India for walls, roofs, tank, foundations, floors cold and hot insulation.

 

To calculate the required insulation thickness for a specific application, you need to consider several factors, including the desired temperature change, thermal conductivity of the material, heat loss or gain allowed, and the surface area. Below is the general process and formula for calculating the thickness of insulation:

 

Key Factors

Thermal conductivity (k-value): The material’s ability to conduct heat, typically measured in W/m·K.

Surface area (A): The area to be insulated, usually in square meters (m²).

Temperature difference (ΔT): The difference between the internal and external temperatures, measured in °C or K.

Heat transfer rate (Q): The amount of heat to be transferred or the allowable heat loss, measured in watts (W).

 

Additional Considerations

1. Safety Factor: Sometimes, an additional safety factor is applied, especially in cases where the heat transfer needs to be minimized further.

2. Thermal Resistance (R-value): If you know the desired R-value (thermal resistance) for a particular insulation system, you can calculate the required thickness by dividing the R-value by the thermal resistance per inch of the material.

3. Cylindrical Surfaces: For cylindrical surfaces like pipes, the formula is slightly modified to account for the shape.

 

R30 Insulation Thickness Comparison

R-30 insulation refers to insulation material that has a thermal resistance value (R-value) of 30. The R-value is a measure of the material’s ability to resist the transfer of heat. A higher R-value means better insulation and greater resistance to heat flow.

Insulation MaterialR-30 Insulation Thickness, mm
Aerogel50
Closed-Cell Spray Polyurethane Foam (SPF)120
Polyisocyanurate (PIR)130
Extruded Polystyrene (XPS)160
Expanded Polystyrene (EPS)200
Wood Fiber200
Open-Cell Spray Polyurethane Foam (SPF)220
Cellulose220
Calcium Silicate220
Mineral Wool225
Cotton (Denim)225
Sheep’s Wool225
Cork230
Fiberglass245
Vermiculite and Perlite250
Straw Bale550

 

Would you like to work through a specific insulation thickness calculation based on your scenario?

Insulation Thickness Calculation R30

  • At Wedge we manufacture and supply good quality wide range of Insulation Products from India, UK, and China.

    Learn more about Insulation products available at Wedge India and get Technical Datasheet, Brochure click the link below:

    Insulation Products

    • Calcium Silicate
    • Ceramic Fiber Blanket
    • Ceramic Fiber Cloth
    • Aluminium Foil-Coated Ceramic Fiber Cloth
    • Ceramic Fiber Boards
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    • Aluminium Sandwich PUF Panel
    • Aluminium PIR Panel
    • Calcium Silicate Sandwich Mineral Wool Panel
    • Sandwich PUF Panel
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    • Polymer Mortar XPS Tile Backer Board
    • Acoustic insulation
    • Perlite Roof Insulation Boards
    • Expanded Perlite Boards
    • Un-Expanded Perlite Ore
    • Rock wool insulation
    • Noise Reduction Insulation
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    • Acoustic Insulation Materials
    • Sound insulation for walls
    • Thermal insulation
    • Mineral wool
    • Fumed Silica Brick
    • Fumed Silica Adhesive Paste
    • Acoustical ceiling
    • Sound insulation foam
    • Polyurethane foam spray
    • Heat insulation 
    • Expanded Polystyrene (EPS) insulation
    • Insulation millboard
    • Cavity wall insulation
    • Aerogel
    • Aluminium foil Coated Ceramic Blanket
    • Aluminium foil Coated Ceramic Fiber Paper
    • Nitrile rubber insulation
    • Aluminium Foil Coated Rock Wool
    • Insulation board
    • Wall insulation
    • Window insulation
    • Cellulose insulation
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