Foil Bubble Wrap Insulation

The main one in the latter category is foil faced bubble wrap sold as insulation.

Foil bubble wrap insulation.

The shiny aluminum surface on reflectix bubble wrap. I have heard some say that the insulation could be installed loosely to maintain the gap. 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. The r value of foil faced bubble wrap is so low that it has few if any advantages over rigid foam.

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. Class a class 1 fire rating. Looking at the table of insulation values bubble wrap and foil will have limited benefit on reducing heat loss. Between joist insulation between joist insulation is made from the same material as our top selling double bubble product.

Reflectix 4 ft. Green building advisor recently wrote an article about foil faced bubble wrap and did a balanced job of it. Thd sku 469837. 4 6 out of 5 stars 407.

Most metallic bubble wraps are about an r 1. Double bubble reflective foil insulation 36 inch x 125 ft roll industrial strength commercial grade no tear radiant barrier wrap for weatherproofing attics windows garages rv s ducts more. 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. R values depend on application.

The purpose of the insulation is to make it nicer to work in and also to prevent tools rusting. Worth mentioning to get the equivalent r value to what the manufactures claim on the packaging the installer has to use spacers under the insulation to keep the prescribed air gap between the ducts and the foil. 144 44 144. Double reflective insulation r values range from r 3 7 to r 17.

There is no question that lining the shed with a sheet material will cut out on draughts and reduce heat loss. First a radiant barrier is the key part of reflective insulation e g. R 15 2 heat flow down r 8 5 horizontal heat flow. 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.

This is the only product that we sell that is rated for use under concrete slabs. 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.