Radiant Barrier Vs Insulation On Gable Side Of Attic

The insructions for the fan say to cover the vents closest to the fan so the fan can pull the air fron the other side of the attic.

Radiant barrier vs insulation on gable side of attic.

The insulation sub recommended using closed cell foam and blown. So the ac was leaking into the attic and the insulation is awful energy bills were high to boot. Unlike fiberglass cellulose and other traditional thermal insulation radiant barrier isn t installed on the attic floor instead it s installed in the attic ceiling just below the roof. By reducing the amount of radiant heat reaching the insulation in your attic the insulation remains cooler and is able to keep your home more comfortable.

Also the greater the temperature difference between the sides of the radiant barrier material the greater the benefits a radiant barrier. Type of radiant barrier application size of your house whether your home is a ranch style or a two story house amount of insulation in the attic effectiveness of attic ventilation color of the roof thermostat settings tightness of the building envelope actual weather conditions efficiency of the heating and. Super r radiant barrier stapled underneath the rafters or laid on the attic floor over existing insulation will result in up to 50 percent energy savings in the summer according to the department of energy and up to 10 percent savings in the winter. Traditional attic insulation and radiant barrier work together and each do their part.

A radiant barrier reduces the radiant heat transfer from the underside of the roof to the other surfaces in the attic. Radiantguard radiant barrier foil insulation installed in an attics can reduce attic temperatures by up to 30 degrees when stapled with a staple gun to the underside of roof rafters by reflecting up to 97 of the radiant heat that strikes its surface thereby reducing heat. This is because foil insulation reduces radiant heat gain rather than slowing conductive and convective heat flow. Here is an excellent video demonstration from youtube that clearly shows how a radiant barrier is intended to supplement your existing insulation.

The roof design is a simple 8 12 pitch gable. 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. I was looking at getting insulation blown in as well as potentially adding an attic fan gable mounted and then i saw some articles online about radiant barriers. When installing the radiant barrier do i still need to plug the vent holes closest to the fan.

A radiant barrier works best when it is perpendicular to the radiant energy striking it. Radiant barrier installation attic radiant barrier installation most of the heat entering a home comes through the roof. Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes.