We are dedicated to teaching people about radiant barrier and
the simple science behind it. Radiant barrier is a great
product, and as if oftentimes the case with a wonderful thing,
there are unfortunately many misconceptions about what radiant
barrier is and what it can/cannot do. Here are the most common
myths and misconceptions about radiant barrier foil insulation:
Myth: Adding a radiant barrier below the roof line inside the
attic will make the roof hotter and damage the roofing
materials, including shingles. There is a common thought that
because radiant barrier reflects 97% of heat back toward the
source, it will increase your roof temperature substantially and
cause damage to the roof decking and shingles. However radiant
barrier doesn't change the amount of heat going through your
roof, it simply changes the direction of the heat flow.
Understanding Radiant Heat Radiant heat by definition is heat
that travels as radiation in waves across either a void (air
gap) or vacuum until it is either absorbed o