It’s been a while since the Radiant Barriers have been
introduced, but it wasn’t until recently that roofing contractors and property
owners realized their potential and advantages.
How Radiant Barrier
Insulation works
There are three ways by which heat is moved around the
home’s interior -radiation, conduction and convection.
Radiation is the transfer of heat across space whether
something is in its way or not. It is actually responsible for most of the heat
movement inside the home. A huge amount of heat that moves inside your home is
actually heat that radiates from the sun.
With conduction, heat is moved between two things – pretty
much like how a spoon is heated up when it touches a hot food, or when glass
gets cold when poured with cold water. A material that has less density has
lesser conductive properties.
Convection happens when heat is moved through the air. Think
of how hot air moves up to the top of the room or how a turbo broiler cooks
food.
You may be wondering why Radiant Barrier Insulation, an
aluminum insulation, is superior to regular insulation systems. But how
exactly?
Regular insulators don’t really stop the transfer of heat;
it merely slows it down. Soon, the heat will move around the home, eventually
reaching the attic and the areas below it, including the living spaces.
Radiant Barriers Foil, on the other hand, stops heat
transfer by deflecting as much as 97% of the heat that gets in contact with the
roof.
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