subject: Why you need to have a Dallas radiant barrier installed [print this page] A usual uncertainty for radiant barrier shields is: How come I can't just put plain kitchen foil in my attic?
One could place kitchen foil in your attic but bear in mind, kitchen foil would not in fact be as {valuable as Radiant barrier shield on the grounds that it is only 22% aluminum, with other metals and minerals that will cause it to breakdown over time. The Radiant barrier foil is 99.5% pure light weight aluminum, so it is substantially more reflective than foil and the best thing is, it does not stop working as time passes. In addition, another item that you will have to bear in mind is water vapor.
According to the Department of Energy:
.... all through the winter months, if there is no successful vapor repellant at the roof, water vapor from the living quarters might condense and even freeze on the underside of a radiant barrier lying on the attic floor. In significantly cold environments or through extented bouts of chilly weather, a covering of condensed water is likely to start building up. In alot more mild weather, the condensed water is able to escape and pass through the radiant barrier foil straight into the attic space. Even while most uniform aluminum coatings do not permit water vapor to pass all through them, a number of radiant barrier materials do facilitate passage of water vapor. Many allow water vapor passage by using holes or perforations, whereas others have substrates that easily allow water vapor passage without needing holes. Bear in mind, exceedingly immense holes will help to increase the emissivity and provoke a diminishment in the radiant barrier performance. The potential to enable water vapor to move through radiant barrier shield materials is not needed for the roof applications...
The Energy Improvement Radiant Barrier Shield has perforated holes spaced specifically where they have to be in order to circumvent any water vapor. The Radiant Barriers we provide to our customers have gone through countless tests performed by multiple universities in the nation to make sure that our product is the best and mose effective!
In closing, kitchen foil is great for cooking but is horrible for installing in your attic.
Why you need to have a Dallas radiant barrier installed
