Originally Posted by
Lawrence Duckworth
for how long? My son had that crap sprayed in when he built his house (8,500 sq ft) . When he remodeled a few years later and opened up an exterior wall and found the stuff had shrunk away from the studs and osb.
That sounds like a defective installation. If you've ever had to physically remove the stuff, you'll have found it really takes a lot of effort and at the junction between the foam and the structure, you literally have to cut it away with a blade.
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The most expensive tool is the one you buy "cheaply" and often...