Does Radiant Barrier In Attic Work

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.
Does radiant barrier in attic work. Installing radiant barrier under the roof decking is the preferred method versus on top of the insulation because it gives an air gap for the heat to escape to the ridge vent without creating a potential moisture problem between the radiant barrier and the attic floor. A radiant barrier can reduce energy loads by up to 10 in winter based on independent studies. Dust accumulation on the reflective surface will reduce its reflective capability. Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes.
If you live in a colder climate you may wonder if there is any benefit to installing a radiant barrier in your attic. First since ecofoil radiant barrier reflects 96 of radiant heat does not mean it will reduce your bills by 96 each month. Now there is a newer better radiant barrier product called srx superreflex. A radiant barrier is a layer of metallic foil that blocks radiant heat assisting in the energy performance of a building.
We take a look at how radiant barriers work the different types of radiant barriers and some of the. Radiant barriers and reflective insulation systems work by reducing radiant heat gain. Radiant barrier is a home insulation type that is focused on reducing summer heat gain. The purity of this aluminum means the radiant barrier prevents heat absorbed in the roof sheeting from radiating into the attic blocking up to 97 of the radiant heat in.
If you re searching for does attic radiant barrier work or is radiant barrier worth it this article will help. Lp techshield radiant barrier sheathing the first osb radiant barrier in the industry is made by laminating a thin durable sheet of aluminum to lp osb sheathing. Unlike traditional thick layers of insulation radiant barrier is a thin reflective material. I was surprised to learn that there are in fact energy saving benefits for northern states.
Does a radiant barrier work in winter. As you can see in the example above radiant barriers work very well at reflecting radiant heat back towards the source keeping it much cooler on. To be effective the reflective surface must face an air space. In short yes attic radiant barrier does work.
Of energy if you live in a hot climate. The radiant barrier should be installed in a manner to minimize dust accumulation on the reflective surface. Radiant barrier should always be installed to work with the soffit and ridge.