Best Attic Insulation Options

Cellulose insulation is calculated based on the depth of the blown in insulation.

Best attic insulation options.

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. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. 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.

Ft while closed cell comes in at 1 200. Spray foam attic insulation. For interior insulation this provides perhaps the greatest r value and with proper installation it covers gaps better than most options cons. Material costs and going with diy the open cell costs about 600 to cover 1 000 sq.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. Fiberglass insulation in rolls or batts can be easily added by the homeowner. Loose fill or batt the common term for blanket insulation.

Messy unsightly and can be very expensive cost. Both can be added to uninsulated attics or layered over existing material. Fiberglass insulation is calculated based on the number of batts or rolls you need. I d blow insulation on the attic floor after air sealing of course.

Rolls and batts are produced of mineral wool and fiberglass. For diy attic insulation you ve got two choices. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Spray foam offers the best attic insulation performance available.

A federal energy tax credit can help homeowners recoup their insulation investment if they complete the improvements by the end of 2007. The big disadvantage with spray foam is cost. Modern technology of blanket insulation today is considered the best insulation for attic. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively.

In fact it s a form of plastic. So it s time to pay close attention to what s happening up there. Foam in place insulation can be blown into walls on attic surfaces or under floors to insulate and reduce air leakage. Choose from two types.

Sealing large air leaks is next followed by insulating the basement. Polystyrene doesn t sound like a green material. Blown in insulation requires the least amount of work but requires special tools and equipment.