Depending on your location, you may need rigid-foam insulation under and around the edges of the slab
While walls and roofs have long been a point of focus, foundations seem to be the final frontier when it comes to insulation. Energy-conscious builders are getting more and more refined with their insulation strategies and manufacturers are doing their part to be helpful, too. Sometimes, the codes are specific. Other times, they are unclear.
[To read more of Martin Holladay’s article from the August/September 2014 of Fine Hombuilding, click the link below.]
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