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.
