Will a non-waterproofed foundation freeze in the winter if insulated on the interior?
This question has arisen on many reno projects where the homeowners do not want to pay to have the old foundation waterproofed. Of course, we want to insulate the basement but there have been some voices who have stated that insulating would cause the “wet” foundation to freeze in the winter and thaw in the summer and thus, over time, deteriorate. Is this a valid concern? Or is there little to no risk of the foundation itself freezing? Thanks.
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