R39 Attic Insulation

Both can be added to uninsulated attics or layered over existing material.
R39 attic insulation. This calculator is to be used as an estimating tool only. The specially designed atticat machine conditions the insulation by adding millions of tiny air pockets that give the material its insulating power and energy saving r value over time. Offers exceptional thermal and sound control performance. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
For your attic project install r 49 ecotouch insulation. Owens corning pink insulation is soft to the touch and easy to install. X 24 in 6 pieces 48 sq. Kraft faced insulation has a vapor retarder that helps to control moisture.
The r value per inch for different types of insulation varies depending on the. Loose fill or batt the common term for blanket insulation. Insulation level are specified by r value. Attic existing 3 4 inches of insulation uninsulated floor uninsulated wood frame wall insulated wood frame wall 1 r30 to r49 r25 to r30 r13 2 r30 to r60 r25 to r38 r13 to r19 n a 3 r30 to r60 r25 to r38 r19 to r25 and add r5 insulative wall sheathing beneath the new siding.
The higher the r value the better the thermal performance of the insulation. Blowing the insulation should take less than 1 5 hours and the whole job can be completed in less than 4 hours based on a 1 000 sq. R value is a measure of insulation s ability to resist heat traveling through it. While there are additional considerations such as venting and moisture problems to take into account when you insulate under floors the united states department of energy recommends an r 25 rating in cold climates and an r 11 in warmer parts of the country.
R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material. For diy attic insulation you ve got two choices. Click the button to calculate the depth in inches and pounds of total insulation required for this job. The table below shows what levels of insulation are cost effective for different climates and locations in the home.