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.

Foil roof deck keeps attic cool.

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. 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. 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. There it radiates down into the attic heating up the insulation the framing the ductwork and the boxes of christmas tree ornaments.

Once the solar radiation is absorbed some of the heat still gets ejected to the outside but much of it conducts downward through the roofing materials and roof deck. Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. Products 60 48 26 rolls. Foil insulation is a radiant barrier and it works by.

48 wide perforated double sided radiant barrier foil best selling. We take a look at how radiant barriers work the different types of radiant barriers and some of the. Regardless of the type of ventilation systems you have this is the best way to do it.