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Radiant barrier for attic review.
But radiant barrier maybe but it s kind of hard to tell because there s a lot of claims of energy efficiency but it s very difficult to prove it out.
Impermeable radiant barriers and coatings can also restrict airflow.
To perform properly radiant barriers must be installed facing an open air space.
The gable fan is now worthless.
When placed directly against another material these barriers actually promote heat transfer by conduction instead of blocking or reflecting it away.
We installed the product and the attic temperature rarely exceeds 92 degrees.
Our average electric bill without the radiant barrier in april may and june was 140 00.
Also sometimes heat radiant barriers are used around the exterior building wall so as to allow the heated air to rise upwards naturally into the attic.