The first is stapling foil to the bottom of the roof rafters the second is laying it out over the existing attic ceiling insulation.
How to install radiant barrier on roof.
How to install radiant barrier on attic rafters in 5 steps step 1.
Continue the instructions until.
Determine how much you need.
Roofs under 8 ft tall from inside the attic sq footage x 1 2 for really.
Working your way down towards the bottom of the roof install a second row overlapping the first row by two 2 inches.
How to install heat radiant barrier before you begin installing the heat radiant barrier make sure you inspect the area.
Once that is done take a marker and mark all the necessary spots then proceed to drill the spots with an electrical drill.
Measure and cut the foil before going in the attic.
This step makes the installation go easier because it.