Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes.
Foil roof deck keeps attic cool.
Foil insulation underlayment is recommended under a metal roof and in most cases the shiny side should be facing up but there s a catch.
We take a look at how radiant barriers work the different types of radiant barriers and some of the.
There it radiates down into the attic heating up the insulation the framing the ductwork and the boxes of christmas tree ornaments.
Designed to reflect the heat absorbed by a roof on hot sunny days radiant barrier foil keeps he attic air cooler and thereby reduces the amount.
Products 60 48 26 rolls.
As discussed in the insulation buying guide radiant barrier foil insulation is made of a thin sheet of aluminum or other reflective material laid over attic insulation or secured to the roof rafters.
26 wide perforated double sided radiant barrier foil for trusses.
48 wide perforated double sided radiant barrier foil best selling.
Either up the channel created by the foil between the roof deck and the foil or it will come into the attic below the foil.
When done this way fresh outside air will enter the attic low at the soffit level and it will go one of two routes.
A radiant barrier can lower heat transfer from attics to the building below keep the attic space cooler and lower cooling costs by up to 17 in warmer climates.