Best Insulation For Attic Roof

Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels.

Best insulation for attic roof. Both can be added to uninsulated attics or layered over existing material. One that i like a lot since i built a house out of them is the structural insulated panel. Rigid foam board is just above the roof deck or an exterior insulation option. There are other materials and systems that you can use to insulate your attic.

Technically known as spray polyurethane foam or spf spray foam is most commonly applied in the space between attic rafters. The later is used in new construction as the interior board serves as an inner wall. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Better materials for attic roof insulation are rigid foam boards and spray foam insulation.

Blanket insulation is available as batts or rolls and is the easiest diy insulation material. For diy attic insulation you ve got two choices. It s available in fiberglass mineral wool plastic fibers and natural fibers. It can act as an air and moisture barrier in addition to providing very high r value.

It s a sandwich of rigid foam insulation and plywood or osb oriented strand board the flaky plywood. Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc. It typically has 3 variations. Modern technology of blanket insulation today is considered the best insulation for attic.