R40 Attic Insulation Thickness
In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.
R40 attic insulation thickness. Input depth of existing blown in insulation in inches. Energy efficient attic n insulation upgrades ideal. June 17 2018 by zamira leave a comment. The recommended r value from professionals for attic insulation in ontario is r 50 and r 60.
The table below shows what levels of insulation are cost effective for different climates and locations in the home. 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. Oppenheimer former assistant vice. Attic insulation r value ontario.
Topping up your attic to the recommended r 60 or 22 25 can save you. So in general a higher r value means a better insulated attic. Ecotouch pink fiberglas insulation has outstanding thermal resistance for maximum energy savings. R value is a measure of insulation s ability to resist heat traveling through it.
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. The higher the r value the better the thermal performance of the insulation. The c denotes high density materials specifically designed for installation in areas where space is limited such as cathedral ceilings. How to insulate a shed plete ppt geothermal alliance of illinois the thermopro 1650 attic hatch insulfloor spray foam insulation r value study.
Homeowners prefer ecotouch pink fiberglas insulation because it maintains insulating power over time. For loose fill cellulose this translates to a total depth ranging from 8 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. Click the button to calculate the approximate r value for this job.
Adding insulation to your attic is a blast with the atticat expanding blown in insulation system. Insulate the attic with owens corning s ecotouch pink fiberglas insulation canada s 1 home insulation. This calculator is to be used as an estimating tool only.