Foil Roof Insulation Reviews

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

Foil roof insulation reviews. 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. Foil faced plywood or oriented strand board sheathing is also available. 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. A warning about radiant barriers aka foil insulation.

If installed properly it can reflect up to 97 of radiant heat and shave off one fourth of your heating and cooling costs according to. When installing a foil type barrier it s important to allow the material to droop between the attachment points to make at least a 1 0 inch 2 5 cm air space between it and the bottom of the roof. Like spray foam insulation insulation made from foil can be helpful in reducing heat loss or gain thereby lowering your energy bill it can be used alone or to supplement fiberglass polystyrene or loose fill insulation.