Radiant Loss In Attic

When applied with a air space.

Radiant loss in attic.

Regular insulation won t stop radiant heat loss. A radiant barrier is a layer of metallic foil that blocks heat. Radiant heat must be reflected with a radiant barrier. Thermal loss is a term used to describe how much heat exactly escapes your house.

Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. The union of the materials results in radiant barrier sheathing that is unsurpassed in reducing heat transfer. Radiant barrier reflects radiant heat back towards its source reflecting as much as 97 reducing summer heat gain and winter heat loss reduces attic temperatures by up to 30 degrees f. Even the insulation in your attic gives off radiant heat to the cold attic space in the winter and to the living space in the summer.

The radiant barrier for the roof you can find a wide variety of these materials that range in size color density and price however they have one thing in common and that is their high level of thermal loss. According to the us department of energy radiant barriers are more effective in hot climates than in cold ones and can reduce cooling costs 5 10 percent in a warm sunny climate. 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. All objects and bodies give off radiant heat.

We take a look at how radiant barriers work the different types of radiant barriers and some of the. It is meant to supplement insulation not replace it.