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Keep radiant heat out of your attic
Prevent excess heat gain in the warm summer months by blocking unwanted radiant heat under your attic's rafters.
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Prevent heat from escaping
In colder months, keep your furnace running efficiently by reflecting heat back into your living space—saving on energy costs.
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Promote air flow in your attic
Tiny perforations promote air flow, preventing buildup of condensation which can lead to mold and mildew.

Radiant Barrier improves performance of existing attic insulation
Ecofoil
Perforated Radiant Barrier Foil - 4' x 125' (500 sq ft)
Ideal for use in attics. Tiny holes promote air flow and prevent mold.
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Installing EcoFoil Attic Foil Insulation is a Breeze
What you'll need:
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Scissors or utility knife
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Staple gun
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1-2 people
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No tape needed
Attic Foil Insulation Installation Instructions:

Attic Insulation Under Rafters
Installing radiant barrier under your rafters is a great way to combat heat gains in the warm summer months.
Download Instructions (PDF)
Installing radiant barrier over joists
Installing radiant barrier on your attic's floor joists is an effective way to reflect heat back into your living space in colder months.
Download Instructions (PDF)Attic Foil Insulation
Ensuring that your attic is properly insulated is an important step in increasing the efficiency of your HVAC system, and keeping your home comfortable in both hot and cold climates. EcoFoil Perforated Radiant Barrier does just that, while also preventing moisture build-up that could cause mold, mildew, and rotting.
In hot climates, attic temperatures can reach as high as 140° F. The radiant heat in the attic tries to force its way into your living space, making your air conditioner work harder, which in turn, increases utility expenses. Conversely, in cold climates, 50-75% of heat can be lost through the attic space, making your heater work overtime to keep your living area warm. EcoFoil’s reflective attic insulation combats these inefficiencies by reflecting 96% of radiant heat, either away from your home, or back into your home, depending on the source of the heat. For more in-depth information, check out our “How Does a Radiant Barrier Work” page.
Benefits of Installing EcoFoil Perforated Radiant Barrier as your Attic Insulation:
- Reflects 96% of radiant heat - see How Radiant Barrier Works
- Ideal for both warm and cold climates
- Perforations allow for moisture to escape, eliminating condensation and mold or mildew
- Easy to install
- Can be installed by itself, or in addition to current insulation
- Extremely durable, while remaining lightweight and easy to handle