Estimate U-Value for Insulation Projects

Wide Range of Materials: Choose from a variety of common building materials, including brick, block, timber, insulation, and glazing.

Customizable Configurations: Enter the thickness, density, and thermal conductivity of each material layer to accurately represent your specific construction.

Air Gap Consideration: Account for air gaps between materials to get a more precise U-value estimation.

Easy to Use: Simply input your project details and let the calculator do the rest.

Accurate Results: Our calculator uses reliable formulas and industry-standard data to provide precise U-value estimates.

Free and Accessible: Our calculator is completely free to use and accessible from anywhere.

Select the type of building element you're calculating (wall, floor, or roof).

Enter the dimensions of the element (length, width, and thickness).

Select the materials used in each layer of the element, including their thickness and thermal conductivity.

Add "Air Gap" as a material layer if there are any air gaps in your construction.

Click the "Calculate" button.

The calculator will display the U-value for your construction.

Informed Decisions: Understand the thermal performance of your building and make informed choices about insulation materials and thickness.

Improved Energy Efficiency: Reduce heat loss, lower energy bills, and create a more comfortable living environment.  

Consider the age of your property: Older buildings may have different construction methods and materials that can affect U-values.

Think about thermal bridging: Thermal bridges, such as those caused by wall ties or lintels, can reduce the overall effectiveness of insulation. Our calculator doesn't currently account for thermal bridging, so it's essential to consider this factor separately.