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A radiant barrier is a little-known and commonly overlooked feature of roofing in Dallas and Fort Worth, but one you should be acquainted with. These fixtures are installed mainly in attics for the purpose of reducing summer heat and minimizing cooling costs.
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How Does A Radiant Barrier Work?
If you haven’t heard of a radiant barrier before, it can be difficult to understand its value. To better understand what radiant barriers do, it’s important to know how heat travels. Conduction, convection and radiation are the methods by which heat travels from a warm location to a cooler one.
Conduction works by transferring heat from a hotter location through a material into a cooler location, similar to the way heat travels from a hot pot of soup through a metal spoon and into your hand.
Convection occurs when a liquid or gas heats up, loses density, and rises, later falling as it cools.
Radiant heat will warm anything solid that can absorb its energy.
Most insulation materials reduce only conductive and convective heat flow, but not radiant. Since the sun’s rays are primarily responsible for heating up your roof, a radiant barrier helps cool it down by reducing the radiant heat transfer from the roof to the inside of your attic.
Radiant barriers are generally most effective in hotter climates — which makes them a great option to combat the Texas heat — and particularly in attics containing cooling air ducts.
Benefits of Installing A Radiant Barrier
Now that you understand a little about about the science behind heat transfer, it’s time to get into what really matters — what does a radiant barrier do for your home?
Here are just some of the benefits you’ll experience when you install radiant heating with a trusted and proven roofing contractor like Hometown Roofing:
- Top-quality radiant heating barriers can reflect up to 97% of radiant heat in the attic
- They help you to control temperature fluctuations in your home or business
- Lower the temperature in your attic by 20 degrees or more during the hottest time of the summer
- Supports the current insulation in your building
- Lowers the amount of stress put on your HVAC unit, meaning it will run stronger and for a longer period of time
- According to some studies, a radiant barrier can help to reduce cooling costs by as much as 40%, greatly decreasing the amount you spend on your electric bill over the course of the year.
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