R40 Attic Insulation Thickness

The table below shows what levels of insulation are cost effective for different climates and locations in the home.

R40 attic insulation thickness.

Attic insulation r value ontario. Adding insulation to your attic is a blast with the atticat expanding blown in insulation system. The higher the r value the better the thermal performance of the insulation. Insulation level are specified by r value.

R50 attic insulation thickness. For loose fill cellulose this translates to a total depth ranging from 8 inches. The best insulation r value is the one that suits your environment s unique conditions the most effectively. How to insulate a shed plete ppt geothermal alliance of illinois the thermopro 1650 attic hatch insulfloor spray foam insulation r value study.

This calculator is to be used as an estimating tool only. Insulate the attic with owens corning s ecotouch pink fiberglas insulation canada s 1 home insulation. For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed in your attic to reach r 30 if you live in zones 2 or 3. Ecotouch pink fiberglas insulation has outstanding thermal resistance for maximum energy savings.

The atticat system is made up of atticat expanding blown in pink fiberglas insulation and the atticat insulation blowing machine engineered specifically for insulating attics. Insulation thickness 1 75 2 5 3 5 3 5 3 5 6 25 5 5 6 5 8 8 5 10 10 12 all listed thicknesses are approximate and may vary by 0 5 inches. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. Input depth of existing blown in insulation in inches.

The c denotes high density materials specifically designed for installation in areas where space is limited such as cathedral ceilings. Oppenheimer former assistant vice. The recommended r value from professionals for attic insulation in ontario is r 50 and r 60. R value is a measure of insulation s ability to resist heat traveling through it.

So in general a higher r value means a better insulated attic. Click the button to calculate the approximate r value for this job. Homeowners prefer ecotouch pink fiberglas insulation because it maintains insulating power over time.