Metal Building. Pole Barn. Under Slab. Radiant Floor. Crawl Space. Cathedral Ceiling. Tiny Home. Mini Storage. Duct Work. Our Location. The radiant barrier creates a cooler attic which helps reduce cooling costs. There are also some comfort improvements. Overall, when installed properly radiant barriers can provide reduced energy costs and cooler attics.
The sheathing products are pretty cost effective because they add little additional cost. They also have spray on products and the breathable housewrap radiant barriers. Building Science. By Steve Easley One of most misunderstood energy-saving technologies on the market today is radiant barriers. They come in a variety of product configurations: Foil-like materials on rolls, which are draped across rafters, or spread across the attic floor. How Do They Work? Proper Placement Tips. How Much Do They Save?
Reading time 7 min read. Reading time 5 min read. Reading time 3 min read. With little or no maintenance, urban access, and modernized looks, buying a condo can be a great The reflective insulation trade association also offers installation tips.
It's easier to incorporate radiant barriers into a new home, but you can also install them in an existing home, especially if it has an open attic.
In a new house, an installer typically drapes a rolled-foil radiant barrier foil-face down between the roof rafters to minimize dust accumulation on the reflective faces double-faced radiant barriers are available. This is generally done just before the roof sheathing goes on, but can be done afterwards from inside the attic by stapling the material to the bottom of the rafters.
When installing a foil-type barrier, it's important to allow the material to "droop" between the attachment points to make at least a 1. Foil-faced plywood or oriented strand board sheathing is also available.
Note that reflective foil will conduct electricity, so workers and homeowners must avoid making contact with bare electrical wiring. If installed on top of attic floor insulation, the foil will be susceptible to dust accumulation and may trap moisture in fiber insulation, so it is strongly recommended that you NOT apply radiant barriers directly on top of the attic floor insulation.
Subscribe to receive updates from Energy Saver, including new blogs, updated content, and seasonal energy saving tips for consumers and homeowners. How They Work. To not deviate with listing all my popping thoughts of problems, may I simply ask if there's a reason why reflective barrier faced foam boards couldn't be suspended from the rafters instead?
If the reason why not is less problematic than my popping thoughts on the above requirements, well then, I just might proceed accordingly. Search form. Magazine Current Issue. Past Issues. NAHB Supplement. Current Issue Past Issues Subscribe. Recent Blogs. The Best Investment. Recent Products. Top Products for Videos Recent Videos. Financing that works for you, your business, and your customers. All Videos Building Science - Sponsored. Building Practices. Why It Matters In the past, a common location for a radiant barrier was on top of the attic insulation in a ventilated attic.
How to Do It Right In hot, humid climates, condensation in the ceiling insulation is typically less of an issue because the enclosure materials are vapor open, and moisture that reaches the ceiling plane from the attic easily diffuses in the interior space. Find more Building Science here. About the Author.
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