Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.
R60 attic insulation thickness.
Can be applied over existing insulation or in new construction.
Attic floor wall uninsulated 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 4 r38 to r60 r38 r25 to r30 add r5.
Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.
It appears that 16 deep is to get r60 for attic loose fill cellulose insulation and 24 deep is to get r60 for attic loose fill fibreglass insulation.
Existing 3 4 inches of insulation.
Ideal for attic blow in installations.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.
Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.
Add insulation to attic.
For loose fill cellulose this translates to a total depth ranging from 8 inches.
Creates a thermal blanket that fills gaps to reduce air infiltration keeping your home warm in the winter and cool in the summer.
Click the button to calculate the approximate r value for this job.
On the other hand the lose pink or white fibreglass has r value of 2 5 that requires.
In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.
Just lay one row of ecotouch pink fiberglas r 30 insulation inside the joist cavities and a second row perpendicular to the joists.
This calculator is to be used as an estimating tool only.
Provides superior reduction of noise transfer through floors and walls when dense packed in to attics and sidewalls.
Input depth of existing blown in insulation in inches.