Used polyiso boards being sold
I just joined as I enjoy this site quite a lot and it makes seem smart when I discuss housing construction with other. For that I thank you. My question is that I notice a lot of used Polyiso for sale that were used in construction and removed 4-10 years later. I am planning on using this material to envelope my house as it seems better and cheaper than XPS. But I am curious why in general are these removed after a short period of time? Is there something that I am missing.
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