Double Insulation In Attic

If you don t provide air space this product provides almost no insulating value.

Double insulation in attic.

So it s time to pay close attention to what s happening up there. For diy attic insulation you ve got two choices. In attic spaces an additional layer of un faced insulation usually r 30 can be installed on top of the insulation that is between the ceiling joists for an added layer of protection. Since ducts require either r 6 or r 8 insulation depending on location building inspectors should start failing this application every time they see it.

An r 1 1 is provided from the product itself for the reflective double bubble material. In really cold climates a third layer of insulation either un faced r 30 or blown in cellulose can be installed on top of the first two layers. Share this story via email. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer.

I mentioned above that radiant barriers have two excellent applications in homes and those are in the attic and in windows the two places where the most radiant heat gain occurs in a building. Both can be added to uninsulated attics or layered over existing material. The ideal attic insulation r value is different than the ideal wall insulation r value. A tip for doubling up on attic insulation.

Achieving greater r values in attics. If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Loose fill or batt the common term for blanket insulation.

The rubber meets the road on reflectix s website where it says no air space no reflective insulation benefit. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. Insulation ratings can be improved by adding more layers of insulation.