Foil Bubble Wrap Insulation

The r value of foil faced bubble wrap is so low that it has few if any advantages over rigid foam.

Foil bubble wrap insulation.

Double reflective insulation r values range from r 3 7 to r 17. Looking at the table of insulation values bubble wrap and foil will have limited benefit on reducing heat loss. No mess no itchy fibers. The shiny aluminum surface on reflectix bubble wrap.

144 44 144. Reflectix 4 ft. 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. The main one in the latter category is foil faced bubble wrap sold as insulation.

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. I have heard some say that the insulation could be installed loosely to maintain the gap. R 15 2 heat flow down r 8 5 horizontal heat flow. 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.

First a radiant barrier is the key part of reflective insulation e g. The purpose of the insulation is to make it nicer to work in and also to prevent tools rusting. 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. R values depend on application.

Most metallic bubble wraps are about an r 1. They presented the pros and cons and gave anecdotal evidence of this product having solved condensation problems. 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. Thd sku 469837.

Shop at toolstation for free delivery or click and collect when you spend over 25. Class a class 1 fire rating. Green building advisor recently wrote an article about foil faced bubble wrap and did a balanced job of it. There is no question that lining the shed with a sheet material will cut out on draughts and reduce heat loss.

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