Originally Posted by brutb
Normally the bubble wrap type insulation
is R-3. It is used in a lot of steel framed building. I used it on 12 x 44 foot hangar doors and it is amazing how much heat was blocked by just one layer. It comes in 4 foot wide rolls and approx 100 feet long. Check with a steel building company for rates.
Yup. Closed cell foam is better imo, better insulation value and sound damping as a bonus. We produce little radiant heat in boats for the most part, and the reflective stuff needs an air gap to work really well.
Volara worked for me, similar to armaflex