Quote:
Originally Posted by dzl_
I agree about the "eco salesmanship," but I don't understand why you would avoid using any organic insulation as a blanket rule.
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Organic insulators in clothing and other outdoor textiles get washed and dried. Organic insulation buried inside the walls of a bus do not. They are FOOD for other organics..... like MOLD, Vermin, etc.
I would never utilize any type of organic insulator in a bus build.
Spray foam is the superior insulator as done properly it:
1) SEALS all those little leaks that add up to reduce insulation
2) Prevents voids that allow condensation to form which then allows corrosion to begin eating away at the inside of your rig.
3) Provides sound deadening
4) Reduces structural movement for a "tighter ship" in the short and long term.
5) Is cost competitive to much less effective materials
6) Provides the best real world R value possible in a given thickness.
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