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What is Radiant Barrier Insulation?

What is Radiant Barrier Insulation?

June 14, 2019

radiant barrier insulation

Summer has arrived in Texas and that means pool parties, grilling, and plenty of fun activities in the sun. But, summer in Texas also means rising utility bills. Proper insulation is one of the best ways to beat the Texas heat – and lower your energy consumption. The insulation experts at DFW Thermal are here to fill you in on one of your insulation options: radiant barrier insulation

How Radiant Barrier Insulation Works

When heat from the sun hits your roof, it begins to seep into your attic, then into your home. Conventional and spray foam insulation simply slow the movement of this heat. But, radiant barrier insulation blocks this heat and sends it back through the roof. How? With a highly reflective sheet that resembles aluminum foil. Radiant barriers is most commonly installed in attics and on roofs. It works in tandem with conventional fiberglass or spray foam insulation to reduce the amount of heat filtering into your home.

How Radiant Barrier Insulation is Installed

There are several ways radiant barrier insulation can be installed. For new homes, the radiant foil is first draped between the roof rafters, then covered by plywood roof sheathing. But in existing homes, technicians apply insulation to the attic floor, or preferably, parallel to the roof. To optimize its performance, radiant barrier insulation must be installed by a professional.

Frequently Asked Questions:

The experienced technicians at DFW Thermal can answer all your insulation questions. But these are some of our customers’ most common concerns.

How much will installing this insulation save me?

The Dallas Fort Worth area is the prime area to collect the savings from radiant barrier insulation. Residents in the southern United States see savings up to $150 on their utility bills annually.

If radiant barrier insulation reflects heat back through the roof, won’t that increase wear on my shingles?

A common misconception about radiant barrier insulation is that it will drastically increase the temperature of the roof and damage the shingles. This concern is valid, as radiant barrier insulation does send heat back through the roof. However, in a test conducted by the Florida Solar Energy Center, it was found that shingle temperature only increased five degrees Fahrenheit with the addition of radiant barrier insulation. This slight increase in temperature will not endanger your shingles.

I understand that this insulation is about bouncing heat off a reflective surface. So, what might affect the reflectivity of the radiant barrier?

Attic dust is the main culprit of decreased reflectivity. Though a small amount of attic dust hardly reduces the effectiveness of the radiant barrier, a coating of dust could make the radiant barrier useless. But, proper installation will prevent dust accumulation.

Can I apply this insulation to walls?

Though radiant barrier insulation is normally applied attics and roofs, it is also effective when used on walls. On walls, this insulation can reduce the work of your HVAC unit up to 20%.

To install the insulation, crucial air space is created with the addition of small wood strips between the wall and the radiant barrier. Then, technicians add vents to the top and bottom of the wall to allow air to rise to the attic.

Interested in Optimizing Your Insulation? Contact Us Today!

The summer in Dallas/Fort Worth is only getting hotter. DFW Thermal is here to help you slash your energy bills. If you are ready to invest in money-saving insulation, call us at 972-880-3947, or request a free quote on our website.