Double Bubble Foil Insulation R Value

Some facts about bubble wrap duct insulation its r value and usage.
Double bubble foil insulation r value. By glenn hooper january 22 2015. 174 00 usd free ground shipping. The approximate r value of the air space would be about 1. Reflex air 48 inch 500 sf double bubble reflective insulation one 1 roll.
It does as you point out change the conductive properties. Turning a profit these days get harder and harder. Rustic prodex total 5m r15 5mm 0 2 closed cell polyethylene foam with. Many small companies and the people they employ have to consistently fine tune and tweak to improve bottom line.
White prodex total 5m plus. After all the trouble of trying to keep the bubble wrap off the ducts the total r value would be 2 instead of 1 which may be insufficient to prevent condensation under some conditions. If the product is simply doubled with no air space between the layers a very minimal benefit is obtained r 1 1 per layer for the reflective double bubble product. The truth about foil faced bubble wrap.
5mm 0 2 closed cell polyethylene foam with reflective reinforced foil facing on one side and plastic white finish film on the other side. Prodex total 5m plus r 17. Its hardly any surprise that when a. 1 4 5 16 nominal thickness of foil bubble insulation.