How Should Reflective Foil In The Attic Be Installed

The reflectix site provides a great range of information about this and about how it differs from other types of insulation.

How should reflective foil in the attic be installed.

To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space. 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 transfer from the attic to living spaces resulting in lower utility bills. Visually inspect the interior roof area. If you do this be sure the reflective foil insulation is perforated so that water vapor can escape and move towards the exterior of your home.

How to install reflective foil in an attic. The attic overheats the house becomes warmer and your air conditioning bill goes through the roof. Fasten blocking around the hatch or door to allow the material to be installed around this area without escaping. This method also reduces the heat subject to attic mounted ac duct work thereby allowing them to work more efficiently.

Much of this heat travels by conduction through the roofing materials to the attic side of the roof. Make sure the fill s depth is uniform across the attic. Roll out the. This is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor.

Laying foil over on top of insulation on the attic floor. This method can be used in any climate though it historically has been most popular in colder climates. When the sun heats a roof it s primarily the sun s radiant energy that makes the roof hot. Access the attic and measure the floor space s length and width with measuring tape.

Make sure that there are no leaks or openings for rainfall to infiltrate the interior. You can also roll out the reflective foil directly on top of attic insulation and get a benefit in the winter and summer. To watch the entire video please click here. 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.