Installation methods include radiant barrier draped over the rafters applied directly to the roof sheathing stapling to the bottom of the rafters and even laying radiant barrier.
How to install radiant barrier roof decking.
A radiant barrier is typically stapled to the bottom truss chords against the deck sheathing.
Perforated material is preferable for this job.
Thermostat radiant barrier sheathing reflects up to 97 of the sun s radiant heat from a home s attic and can help lower attic temperatures by up to 30 f.
This means the rest of the house will be cooler too.
Up to 97 of radiant heat from the sun is reflected by solarbord so the attic can be up to 30 cooler.
Upgrading the insulation to a higher r value insulating the ductwork installinga cool roof sealing any of the penetrations in the ceiling as well as.
Cooler attic cooler house.
Emmisivity this is expresses as a number between 0 and 1 and it is the amount of radiant energy that is emitted back onto a black surface of equal area and temperature.
A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic.
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.
Unroll the radiant barrier over the top of the roof trusses or joists.
Radiant barriers are graded on three levels.
For a picture of this in action you can check out the product listing on amazon.
Under the roof decking.
Radiant barriers reduces the radiant heat transfer from the roof to the interior of your attic.
It works similarly to stapling to roof cords however is easier to install.
This improved energy efficiency makes thermostat radiant barrier the ideal choice for new homes additions and renovations in warm to hot climates.
However radiant barriers can also be installed in other ways such as having it infused with your roof decking or underneath tiles.
How radiant barrier sheathing works.
Radiant barrier installation attic radiant barrier installation most of the heat entering a home comes through the roof.
When installing radiant barrier roof sheathing ensure that the manufacturer s instructions are followed carefully.
The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor.
As radiant barrier sheathing is only one component of the roof and attic space you mightconsider also.
A radiant barrier works best when it is perpendicular to the radiant energy striking it.
This do it yourself radiant barrier method is used primarily in new construction or when replacing roof decking.