When the sun beats down on the roof the shingles store energy then slowly gives that energy out in the form of radiant energy.
How to install radiant barrier in your attic.
There are several factors that determine the best installation method for your home.
Radiantguard radiant barrier foil insulation installed in an attics can reduce attic temperatures by up to 30 degrees when stapled with a staple gun to the underside of roof rafters by reflecting up to 97 of the radiant heat that strikes its surface thereby reducing heat.
How to install radiant barrier on attic rafters in 5 steps.
Unroll the radiant barrier hold in place and staple to bottom of roof joists.
The goal of adding a radiant barrier in your attic is to cover as much of the underside of the roof as possible.
Installation methods are not based solely on where you are located.
How to for a cheap homemade radiant barrier for your attic.
In an open framed attic it is generally easiest to install the strips of radiant barrier roof material across the attic perpendicular to the direction of the roof joists overlapping each run by about 2 inches.
Depending on where exactly you live you might want to use heat radiant barrier in the attic especially in the summer or around your external house walls to prevent heat being lost during the winter.
Diy attic radiant barrier.
You want to add the foil on all surfaces that make up the roof but you also need to keep vents open and clear of the foil.
Radiant barriers battle the problem of emissivity in attics.
Reflects up to 97 of sun s heat.
The latest tests and studies have shown that on average heat radiant barriers help reduce about 20 to 30 of energy lost provided that they re installed properly.
Radiant barrier installation attic radiant barrier installation most of the heat entering a home comes through the roof.
Staples should be placed 14 to 18 inches apart.
There are two main methods of installing radiant barrier.
Stapling it up to the rafters or laying it on the attic floor.