R-value
Jan
25
Ed Fritz on January 25th, 2010
There is some debate in the radiant barrier business whether to use a perforated or a solid radiant barrier product in an attic application.
In an attic application, you should ALWAYS use a perforated product. Period.
Why? Solid products like bubble foil insulation are called “Vapor Barriers”. A vapor barrier basically stops moisture from moving from point [...]
A common question is “What Is The R-Value of Radiant Barrier Foil?”
The answer: ZERO
Heat moves in 3 different methods: 1) Conductive 2) Radiant 3) Convective. R-Value is a term used to measure how resistant a product is to CONDUCTIVE HEAT ONLY. The best way to illustrate this is to picture an ice chest with a [...]
