How does sprayed foam insulation compare to Rockwool/Fibreglass type insulation?

A. Drawbacks of Rockwool/Fibreglass types insulation, against Polyurethane sprayed foam are: •Condensation still forms behind Rockwool/Fibreglass insulation. €¢Rockwool/Fibreglass tends not to be stuck, so metal still sweats behind it when the ambient temperature is colder than in the vessel.

€¢It gets sodden like a sponge, wet through, and never dries out properly. €¢It can start to smell very bad. €¢Fibreglass can be dangerous and there is also a risk of allergy problems, especially in relation to DIY applications.

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