Double Insulation In Attic

A tip for doubling up on attic insulation.

Double insulation in attic.

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. 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.

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. An r 1 1 is provided from the product itself for the reflective double bubble material. So it s time to pay close attention to what s happening up there. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Achieving greater r values in attics. If you don t provide air space this product provides almost no insulating value. Loose fill or batt the common term for blanket insulation. 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.

Share this story via email. You can mix the type and material of insulation too. For diy attic insulation you ve got two choices. 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.

Make sure your home is properly insulated in all these locations. The rubber meets the road on reflectix s website where it says no air space no reflective insulation benefit. The ideal attic insulation r value is different than the ideal wall insulation r value.