Double Bubble Reflective Foil Insulation Home Depot. Most metallic bubble wraps are about an r 1. Class a class 1 fire rating. I use a foil backed insulation which is way better than just regular insulation.
So by that logic if you wrap ducts with the double bubble foil then you would have your r 6. Insulation in a garage door reflection of artificial light back into the space and it is light weight so it held itself in place.
Most metallic bubble wraps are about an r 1.
The foil bubble insulation the foil bubble insulation worked for the application i used it for as an multipurpose use in 2008. Buy online and get free shipping to any home location. From the research i have done a k 19 value equals an r 5 6. No mess no itchy fibers.
