Best Residential Attic Insulation

Modern technology of blanket insulation today is considered the best insulation for attic.

Best residential attic insulation.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Best for unfinished walls floors ceilings and wherever long and continuous insulation pieces are needed. Loose fill or batt the common term for blanket insulation. Cellulose can be either a loose fill or blown in material and is primarily made of recycled newsprint or denim.

Insulation level are specified by r value. The table below shows what levels of insulation are cost effective for different climates and locations in the home. 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.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. I d blow insulation on the attic floor after air sealing of course. 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. Insulation is a vital component in any home that aims to be energy efficient.

Cellulose is the oldest insulation material used for not only the attic but other areas of the home as well. The attic is the easiest place to insulate and the most important in terms of saving money and energy. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. The higher the r value the better the thermal performance of the insulation.

Insulation rolls leave less opportunity for gaps between sections making them sometimes more effective than batts. R value is a measure of insulation s ability to resist heat traveling through it. 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. Come in continuous lengths ranging from 20 to 40 feet.

Available in pre cut widths to fit between studs and joists. The best types of home attic insulation are open cell spray foam fiberglass and cellulose. The big disadvantage with spray foam is cost. Both can be added to uninsulated attics or layered over existing material.

Typically placed in areas where air escapes such as between the stud cavities inside the walls and in the attic it. Rolls and batts are produced of mineral wool and fiberglass. For diy attic insulation you ve got two choices.