Foil Bubble Wrap Insulation

First a radiant barrier is the key part of reflective insulation e g.

Foil bubble wrap insulation. Between joist insulation between joist insulation is made from the same material as our top selling double bubble product. Most brands of foil faced bubble wrap are only 3 8 inch thick or less and have an r value of only 1 0 or 1 1. R 15 2 heat flow down r 8 5 horizontal heat flow. The main one in the latter category is foil faced bubble wrap sold as insulation.

Thd sku 469837. Double reflective insulation r values range from r 3 7 to r 17. The shiny aluminum surface on reflectix bubble wrap. The r value of foil faced bubble wrap is so low that it has few if any advantages over rigid foam.

They presented the pros and cons and gave anecdotal evidence of this product having solved condensation problems. The purpose of the insulation is to make it nicer to work in and also to prevent tools rusting. 144 44 144. Looking at the table of insulation values bubble wrap and foil will have limited benefit on reducing heat loss.

No mess no itchy fibers. Foil faced bubble wrap insulation makes an excellent thermal barrier barrier for methane radon moisture termites and other pests thermal resistance in a 3 5 cavity. There is no question that lining the shed with a sheet material will cut out on draughts and reduce heat loss. Most metallic bubble wraps are about an r 1.

Reflectix 4 ft. The metalized foil in under slab insulation is sandwiched between a layer of polyethylene bubbles on each side to protect it. Reflective insulation is tested in the same manner as fiberglass and foam products and in wall and floor systems provides a year around r value benefit quot. Since the product often costs more per square foot than 1 inch thick rigid foam rated at r 5 why would anyone use bubble wrap as insulation.

4 6 out of 5 stars 407. R values depend on application. Double bubble reflective foil insulation 24 inch x 10 ft roll industrial strength commercial grade no tear radiant barrier wrap for weatherproofing attics windows garages rv s ducts more. This is the only product that we sell that is rated for use under concrete slabs.

Class a class 1 fire rating. I have heard some say that the insulation could be installed loosely to maintain the gap.