Foil Roof Insulation Reviews

Laughable isn t a very quantifiable term.

Foil roof insulation reviews.

Found in major outlets such as in home depot s insulation aisle reflectix comes in tightly spooled rolls of 25 by 2 feet of shiny reflective foil look bubble wrap texture insulation in plastic bags. 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. 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. It s generally the cheapest option and good all purpose insulation especially for between joists.

Currently the best foil insulation is the aes radiant barrier. Wiki researchers have been writing reviews of the latest foil insulations since 2017. The r value of foil faced bubble wrap is so low that it has few if any advantages over rigid foam. A comparison review of multi foil insulation products superquilt thermaquilt sf19 triso super 10 tlx silver ybs insulation superfoil actis tlx.

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. Last week i received an email from a concerned reader who said his 85 year old mother in law had recently purchased a 2 500 radiant barrier insulation system for her 1 800 sf townhouse in austin mn. In fact a florida solar energy center study which compared different roofing materials with various venting ratios and with or without radiant barrier systems rbs found that a black shingled roof vented at 1 300 vent area to ceiling area with an rbs had a 6 1 reduction in attic temperature at design maximum summer conditions and a 26 4.