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.
How to install radiant barrier on attic floor.
By installing a radiant barrier in your attic you can reduce radiant heat transfer from the roof to your attic by absorbing that heat.
Unroll the radiant barrier hold in place and staple to bottom of roof joists.
There are two main methods of installing radiant barrier.
Properly installed radiant barrier is stapled to the rafters of your attic.
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.
Most effective radiant barrier installation.
For the majority of installations there are basically two different methods used to install radiant barrier foil in an attic.
Radiant barriers lower heat transfer rates and keep the attic space cooler lowering cooling costs by up to 17.
Many homeowners are tempted to try to save money and lay it directly on the attic floor.
Stapling it up to the rafters or laying it on the attic floor.
Where you put your radiant barrier will have an impact on how well it works over time.
How we install radiant barrier.
The first is stapling foil to the bottom of the roof rafters the second is laying it out over the existing attic ceiling insulation.
Starting at one end of your attic install our ultima foil breathable radiant barrier over across attic floor joists plywood decking or existing insulation.
Radiant barrier foil loves air let it breathe.
Staples should be placed 14 to 18 inches apart.
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.
Installation methods are not based solely on where you are located.
How to install radiant barrier on attic rafters in 5 steps.
There are several factors that determine the best installation method for your home.
This method leaves a 6 8 inch air barrier allowing the foil breath and reducing the chance of any radiant heat being conducted into your attic.