How Deep Is R60 Attic Insulation

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 insulated sheathing before.

How deep is r60 attic insulation.

According to the insulation institute the cellulose has the r value of 3 7 and this translate to 16 inches for r60. Ensure you use a foam sealant to seal and insulate around any attic windows. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended. A poorly insulated attic lets heat escape through the roof wasting energy used to warm.

Parison of cooling lo r50 attic r100. An r11 attic roof will radiate quite a bit of heat to the much colder than 70f radiation temp sky at night which will cool the house a bit. Attic insulation vinyl sash. Fibergl insulation r value and thickness parisons.

Alternatively you could use loosefill insulation instead of laying down batting. Brands like atticat insulation can be blown in with the proper machinery and when they re applied this way the insulation doesn t settle ensuring consistent and long lasting insulation for years to come. Attic insulation is a key to saving energy during the heating season. For loose fill cellulose this translates to a total depth ranging from 8 inches.

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. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Inspecting attic insulation there are several factors to consider. 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.

Parison of cooling lo r50 attic r100. Click the button to calculate the approximate r value for this job. How many inches deep is r60 attic cellulose insulation. 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.

Input depth of existing blown in insulation in inches. This calculator is to be used as an estimating tool only. How deep to put blown in insulation.