attic radiant barrier

If you live in a house that is more than 15 years old, there is a high likelihood that your insulation has deteriorated. Your attic radiant barrier may have met the requirements when it was installed; it most certainly will need a check-up at this time. Current standards call for at least R-30 in the attic, R-13 in the walls, and R-19 in the floor. Meeting the right standards help to save energy and lower utility bills.

Upwards of 93% of ceiling heat gain in the summer months can be attributed to heat from the attic space above caused by radiant energy transferred by the sun. The radiant heat from the sun is absorbed by roofing shingles and transferred to the roof decking below and into the attic space. Conventional insulation absorbs much of this heat and once its saturation point has been met, this heat is then transferred to the living spaces below. Radiant barrier insulation can block 97% of the radiant heat from the roofing surface and thereby lower overall attic temperatures by almost 30 degrees bringing the attic temperature closer to the true outdoor temperature or even lower. By lowering the temperature in your attic, you can reduce the amount of heat transferred to your living spaces below by up to 50% giving you greater comfort in your home and lessening the strain on your air conditioning unit.

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