Using Radiant Barrier In Attic
Unlike traditional thick layers of insulation radiant barrier is a thin reflective material.
Using radiant barrier in attic. The goal of adding a radiant barrier in your attic is to cover as much of the underside of the roof as possible. It may be an easier way to install radiant barrier but it can trap moisture between itself and the attic floor and cause the insulation to become damp. You want to add the foil on all surfaces that make up the roof but you also need to keep vents open and clear of the foil. Also the greater the temperature difference between the sides of the radiant barrier material the greater the benefits a radiant barrier can offer.
This thin reflective material is designed to bounce the sun s heat away from your home instead of allowing your attic to absorb the heat. A cooler attic space means less heat moving to the cooler space below the attic. Radiant barrier is a home insulation type that is focused on reducing summer heat gain. If you re searching for does attic radiant barrier work or is radiant barrier worth it this article will help.
According to the department of energy installing radiant barrier on the floor of the attic can cause problems. Damp insulation may support mold growth and eventually will lose some of its r value. A radiant barrier works best when it is perpendicular to the radiant energy striking it. Benefits of radiant barrier sheathing when utilizing osb radiant barrier sheathing you can reflect up to 97 of solar radiation which translates into an.
The latest tests and studies have shown that on average heat radiant barriers help reduce about 20 to 30 of energy lost provided that they re installed properly. A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. When the sun beats down on the roof the shingles store energy then slowly gives that energy out in the form of radiant energy. The hotter it gets the better radiant barriers work.