A radiant barrier can be effective with an asphalt shingle roof only when installed inside the attic either to the underside of the roof decking or to the underside of the roof rafters.
Radiant barrier roof decking.
Another method of applying radiant barrier to the roof in new construction is to use a radiant barrier that is pre laminated to osb panels or roof sheathing.
Installed in over 2 million homes in the united states lp techshield panels also lower attic temperatures up to 30 f.
However radiant barriers can also be installed in other ways such as having it infused with your roof decking or underneath tiles.
Other kinds of radiant barriers combine reflective materials usually aluminium foil with materials like plastic films cardboard and kraft paper.
Radiant barrier roof decking can easily be made yourself by simply stapling our ultima foil directly to the osb or plywood decking during a new roof construction.
A radiant barrier is typically stapled to the bottom truss chords against the deck sheathing.
This reflection insulation also has high mechanical properties making it perfect for load bearing applications in construction.
The radiant barrier should be installed in a manner to minimize dust accumulation on the reflective surface.
Suitable applications include sheathing in walls flooring and roof decking.
When the sun heats a roof it s primarily the sun s radiant energy that makes the roof hot.
Reduces up to 97 of radiant heat.
The hot roof material then radiates its.
The most effective radiant barrier sheathing is a structural roof sheathing panel which consists of an osb panel with heat reflecting foil laminated to one side.
Manufacturers of this installation method often tout the savings in labor costs in using a product that serves as roof decking and radiant barrier in one.
In these attic space applications there is an air space below the radiant barrier.
Radiantguard ultima foil 48 inch width radiant barrier can easily be stapled to a sheet of plywood or osb before being installed as roof decking.
Much of this heat travels by conduction through the roofing materials to the attic side of the roof.