Radiant Barrier Over Fiberglass Insulation

Laying foil over on top of insulation on the attic floor.

Radiant barrier over fiberglass insulation.

Adding radiant barrier insulation is like putting a second blanket on your bed. Radiant barrier installation attic radiant barrier installation most of the heat entering a home comes through the roof. In cool climates. To avoid condensation issues a perforated radiant barrier may be the best choice for this application.

Some studies show that radiant barriers can reduce cooling costs 5 to 10 when used in a warm sunny climate. This method can be used in any climate though it historically has been most popular in colder climates. The reduced heat gain may even allow for a smaller air conditioning system. Radiant barriers are more effective in hot climates than in cool climates especially when cooling air ducts are located in the attic.

I ran across multiple studies during my research that found deductions in heat transfer from the conditioned space especially when the radiant barrier was layed across the attic floor over the insulation instead of being stapled to the rafters. We take a look at how radiant barriers work the different types of radiant barriers and some of the. Return on investment roi there are several organizations that recommend levels of thermal barrier insulation. 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.

The list of uses includes crawl space radiant floor attic and walls. We offer the most comprehensive catalog of radiant barrier products and reflective bubble foil insulation worldwide. Radiant barriers are utilized to reduce summer heat gain in attics and help to improve the efficiency of green building envelopes. This is probably the easiest method to install radiant barrier atticfoil is to lay the foil out over the existing insulation on the attic floor.

Our website and blog are full of information relating to our insulation including application instructions installation videos and energy saving articles. 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.