Best Attic Insulation Options

I d blow insulation on the attic floor after air sealing of course.

Best attic insulation options.

Sealing large air leaks is next followed by insulating the basement. So it s time to pay close attention to what s happening up there. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Both can be added to uninsulated attics or layered over existing material.

The big disadvantage with spray foam is cost. Spray foam attic insulation. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Loose fill or batt the common term for blanket insulation.

Ft while closed cell comes in at 1 200. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Modern technology of blanket insulation today is considered the best insulation for attic.

Messy unsightly and can be very expensive cost. Material costs and going with diy the open cell costs about 600 to cover 1 000 sq. The attic is the easiest place to insulate and the most important in terms of saving money and energy. Yet polystyrene is a fabulous insulator with r values that range from r 3 8 to r 4 4 per inch of thickness and so it s considered green because it helps save so much energy source.

Department of energy polystyrene insulation comes in rigid foam boards that make it easy to insulate any part of a building. Fiberglass insulation is calculated based on the number of batts or rolls you need. For diy attic insulation you ve got two choices. Closed cell and open cell aka 2 pound and pound respectively.

Cellulose insulation is calculated based on the depth of the blown in insulation. Choose from two types. In fact it s a form of plastic. A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007.

Spray foam offers the best attic insulation performance available. Polystyrene doesn t sound like a green material. Some installations can yield a higher r value than traditional batt insulation for the same thickness and can fill even the smallest cavities creating an effective air barrier. For interior insulation this provides perhaps the greatest r value and with proper installation it covers gaps better than most options cons.

Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Blown in insulation requires the least amount of work but requires special tools and equipment. Rolls and batts are produced of mineral wool and fiberglass.