Styrofoam vs fiberglass matt insulation
While I have my camper apart to do some structural repairs, I've been looking at its insulation. its basically 1" stryofoam sheets. My understanding is that the foam sheet isnt as susceptible to ...
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Gaetan make a VERY good point:
I will only add: spray expending foam comes in latex (open-cell) and non-latex based closed cell spray expanding. Get the closed-cell limited expanding material (when it dries, the over-expansion foam can be cut with a blade)...also remember: most of the expanding foams are extremely flammable when being applied, and while off-gassing. This s why you need very good ventilation when applying (it is also recommended NOT to spray expanding foam into closed cavities: the explosive gasses cannot escape during curing).
Some closed cell foams now come with less explosive carrier, check your product carefully.
I will only add: spray expending foam comes in latex (open-cell) and non-latex based closed cell spray expanding. Get the closed-cell limited expanding material (when it dries, the over-expansion foam can be cut with a blade)...also remember: most of the expanding foams are extremely flammable when being applied, and while off-gassing. This s why you need very good ventilation when applying (it is also recommended NOT to spray expanding foam into closed cavities: the explosive gasses cannot escape during curing).
Some closed cell foams now come with less explosive carrier, check your product carefully.
