Continue the instructions until.
How to add radiant barrier from roof.
Determine how much you need.
How to install radiant barrier on attic rafters in 5 steps step 1.
In a new house an installer typically drapes a rolled foil radiant barrier foil face down between the roof rafters to minimize dust accumulation on the reflective faces double faced radiant barriers are available.
When the roof decking is applied an airspace separates it from the radiant barrier in a way similar to that of location 2.
This step makes the installation go easier because it.
If you want to maximize the reduction in summer cooling costs staple the radiant barrier to the bottom of the rafters.
Benefits of radiant barrier roof underlayment.
This construction places the radiant barrier on top of the roof rafters or trusses before the roof decking is applied.
Roofs under 8 ft tall from inside the attic sq footage x 1 2 for really.
It is installed so that it droops 1 to 2 below the upper surface of the roof structure.
It s easier to incorporate radiant barriers into a new home but you can also install them in an existing home especially if it has an open attic.
How to install heat radiant barrier before you begin installing the heat radiant barrier make sure you inspect the area.
Working your way down towards the bottom of the roof install a second row overlapping the first row by two 2 inches.
To ensure that everything is fine and that no repairs are needed in those particular spots.
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.
If you are looking for more year round savings and an easier install method then lay the foil out over the insulation.