Thermal Bridging – designing structurally and energy efficient buildings

Thermal bridging – having uninsulated or thermally inefficient elements in your building’s structure – can kill the insulation value of your building. These problems are often found at the foundation/wall intersection, at the parapet/wall/roof detail & at any structural projection in the building (balcony, overhang, cantilever, brick ledge, building offset, etc).

Here is a great article (along with thermal calculator tool) on this subject.

here is the spreadsheet / calculator / tool:

Another brief article by Jim D’Aloisio on this topic:

a U-value to R-value calculator:

Common u values of building materials:


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