It is not necessary to attach the pieces, but many people will do this to hold the foil together. Overlap the foil sheets about 1-2 inches and use small pieces of foil tape to attach the pieces together. Just roll the foil up like a big rug, take it into the attic and roll it out. For example, if you make a piece 20 feet long and 12 feet wide, you can cover an area of about 240 square feet very quickly. This will form one large piece of foil that will cover more area, more quickly. If you have large, open areas in your attic consider this trick: cut the foil on your driveway (or yard) and then tape 2 or 3 pieces side by side to make either an 8′ or 12′ wide piece. You can easily stab the foil and move it far back into hard to reach areas. If the area is hard to reach use a pole, PVC pipe or a 1×2 board with a nail taped on the end. Another option is to pull the foil into the corner. Start in a far corner and start rolling out the foil over the insulation this works best when you use the pre-cut pieces. Watch the video below to learn WHY you need to do this immediately to stop the biggest energy mistake in your home. By minimizing airflow within the insulation and minimizing radiant heat loss/gain from your attic, radiant barrier will make your home more comfortable and more efficient overall. The SuperPerf foil helps minimize the convective looping within the insulation. Installing foil on top of the insulation acts like the windproof shell on a jacket. The reason this method is so impressive is because radiant barrier makes regular insulation more effective. It is typical for two people to easily install radiant barrier into an average size home in just a few hours.įor any climate that is installing radiant barrier on the attic floor over insulation, we recommend our S uperPerf™ product which is designed for maximum breathability and performance. This install process is usually pretty simple and quick in most attics. This method can be used in any climate, though it historically has been most popular in colder climates. 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. Laying Foil On Top of Insulation on the Attic Floor Radiant Heat Flooring – Over Conditioned Spaces.Radiant Heat Flooring – Over Non-Conditioned Spaces.Cathedral Ceilings – Hot/Mixed Climates.
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