R40 Attic Insulation Thickness

R value is a measure of insulation s ability to resist heat traveling through it.

R40 attic insulation thickness.

Click the button to calculate the approximate r value for this job. Insulate the attic with owens corning s ecotouch pink fiberglas insulation canada s 1 home insulation. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. 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. Insulation level are specified by r value. 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. 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.

The recommended r value from professionals for attic insulation in ontario is r 50 and r 60. Input depth of existing blown in insulation in inches. Energy efficient attic n insulation upgrades ideal. The table below shows what levels of insulation are cost effective for different climates and locations in the home.

R50 attic insulation thickness. So in general a higher r value means a better insulated attic. Homeowners prefer ecotouch pink fiberglas insulation because it maintains insulating power over time. The c denotes high density materials specifically designed for installation in areas where space is limited such as cathedral ceilings.

June 17 2018 by zamira leave a comment. Topping up your attic to the recommended r 60 or 22 25 can save you. The higher the r value the better the thermal performance of the insulation. Ecotouch pink fiberglas insulation has outstanding thermal resistance for maximum energy savings.

Oppenheimer former assistant vice. Attic insulation r value ontario. Adding insulation to your attic is a blast with the atticat expanding blown in insulation system.