Foil Roof Deck Keeps Attic Cool

Foil insulation is a radiant barrier and it works by.

Foil roof deck keeps attic cool.

We take a look at how radiant barriers work the different types of radiant barriers and some of the. Products 60 48 26 rolls. 48 wide perforated double sided radiant barrier foil best selling. Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes.

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. 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. 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. 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. Regardless of the type of ventilation systems you have this is the best way to do it. 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.