Best Insulation For Attic Roof

Rigid foam board is just above the roof deck or an exterior insulation option.

Best insulation for attic roof. This type of insulation. Technically known as spray polyurethane foam or spf spray foam is most commonly applied in the space between attic rafters. 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. It can act as an air and moisture barrier in addition to providing very high r value. For diy attic insulation you ve got two choices. Modern technology of blanket insulation today is considered the best insulation for attic.

One that i like a lot since i built a house out of them is the structural insulated panel. It typically has 3 variations. Loose fill or batt the common term for blanket insulation. It s available in fiberglass mineral wool plastic fibers and natural fibers.

Both can be added to uninsulated attics or layered over existing material. The later is used in new construction as the interior board serves as an inner wall. There are other materials and systems that you can use to insulate your attic. Bare foam board one sided sheathing board or double sided which is also reference as structural insulated panels.