Radiant Barrier Roof Decking Worth It

There is a misconception that if the heat is coming in through the roof shingles and.

Radiant barrier roof decking worth it.

The answer is that there are other things you can do that would be more effective in terms of energy efficiency. Some of thefacts they list are. Radiant barrier sheathing emits 3 5 of the heat it absorbs and can reducesummer heat gain in the roof from 16 to 42. Specifications in selecting your radiant barrier sheathing make sure that the label indicated that the productemittance is less than 0 1 as measured by astm 1371.

Which type of radiant barrier is best. The extra cost to put the radiant barrier roof sheathing on a 2000 square foot new home is probably around 200. Installing 19 inches of batt insulation or 22 of blown in is the single most cost effective way to reduce your heating and cooling costs. A cooler attic space means less heat moving to the cooler space below the attic.

A radiant barrier must have an emissivity of 0 1 or less to be effective. There s no extra labor because they have to put the roof deck on anyway and the decking with radiant barrier adhered to it as shown in the photo above runs about 2 per sheet more than regular osb that flaky plywood called. A control study was published in 2013 showing the radiant barrier effectiveness of paint foil backed sheathing and foil that was stapled onto the rafters. A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic.

Benefits of radiant barrier sheathing. The results were very telling. Radiant barrier paint performed the worse providing a heat decrease in the conditioned space of around 19. For a picture of this in action you can check out the product listing on amazon.

A radiant barrier is typically stapled to the bottom truss chords against the deck sheathing. Find out whether it s worth the money to install a radiant barrier in your attic. The hot roof material then radiates its gained heat energy onto the cooler attic surfaces including the air ducts and the attic floor. For example most homes don t have enough insulation to start with.

However radiant barriers can also be installed in other ways such as having it infused with your roof decking or underneath tiles.