I copied and posted this comment from another topic on this forum with similar concerns. It is in responce to Mattamy adding a "break" at the floor slab to help control cold first floors.
Quote:
Fitdiculous Posted:
Halton Home Inspector (Andy). Do YOU think these steps that Mattamy has done will fix the problem?
There is no one solution to this problem, but this "break' will help as it will be a barrier against heat loss at the floor area because it will effectively isolate the interior floor slab from the cold foundation wall. The diagram below shows detail of the proposed location of the riged insulation bond break.
I still think that "air returns" need to be installed low to the first level floor in these homes and front exterior doors need to be installed particularly well to eliminate potential air leaks.
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