Radiant Roof Barrier Icicles

A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic.

Radiant roof barrier icicles.

We take a look at how radiant barriers work the different types of radiant barriers and some of the. If you ve ever wondered why some attics are lined with shiny metallic looking material this article will explain the ins and outs of the subject. This basically allows for wood rot to continue and inspectors have a more difficult time finding areas of concern. Your radiant barrier makes the roof deck sheathing invisible from the attic.

The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor. 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. 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. Black asphalt roof shingles absorb over 90 of the radiant heat that strikes them making them easily over 170 degrees on a hot summer day.

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. In these attic space applications there is an air space below the radiant barrier. A radiant barrier continues to be an excellent solution to block that heat before it enters your living space but many diy homeowners and even some professional installers question whether the radiant barrier reflecting the heat back up can actually make.