How To Install Radiant Barrier On Attic Floor

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 radiant barrier on attic floor.

Starting at one end of your attic install our ultima foil breathable radiant barrier over across attic floor joists plywood decking or existing insulation. 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. By installing a radiant barrier in your attic you can reduce radiant heat transfer from the roof to your attic by absorbing that heat. How we install radiant barrier.

There are several factors that determine the best installation method for your home. Many homeowners are tempted to try to save money and lay it directly on the attic floor. 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. 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.

Radiant barrier foil loves air let it breathe. Radiant barriers lower heat transfer rates and keep the attic space cooler lowering cooling costs by up to 17. There are two main methods of installing radiant barrier. Installation methods are not based solely on where you are located.

The first is stapling foil to the bottom of the roof rafters the second is laying it out over the existing attic ceiling insulation. For the majority of installations there are basically two different methods used to install radiant barrier foil in an attic. Staples should be placed 14 to 18 inches apart. 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.

Properly installed radiant barrier is stapled to the rafters of your attic. Unroll the radiant barrier hold in place and staple to bottom of roof joists. Stapling it up to the rafters or laying it on the attic floor. How to install radiant barrier on attic rafters in 5 steps.

Use a stick 1 4 furring strip with nail in the end works well to help push the barrier into the tight spaces of your attic.