R38 Attic Insulation Thickness

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.

R38 attic insulation thickness.

Here is an example of rolled insulation installed in an attic. Click the button to calculate the approximate r value for this job. R 49 insulation thickness is commonly used in attics in northern climates. 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.

Product thickness in 10 25 in 2 10 25 2 12 in 8 eco options category. Add insulation to attic. This calculator is to be used as an estimating tool only. Insulation will not rot or mildew and is non corrosive to steel copper and aluminum.

Wall insulation whenever exterior siding is removed on an. 10 thick r 38c ecotouch thermal. View the owens corning attic insulation 434 00 pallet 434 00 pallet standard delivery. R38 kraft batts in bags insulation bf80.

Get free shipping on qualified r38 fiberglass insulation or buy online pick up in store today in the building materials department. Sized for proper ventilation r 38c ecotouch thermal batt insulation is designed to eliminate r value loss caused by compressing standard r 38 products in 2x12 cathedral ceiling construction. Visit the home depot to buy owens corning 12 in. 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.

The thicker the insulation the greater the r value. Input depth of existing blown in insulation in inches. Note that r30 batt insulation thickness is just 9 1 2 inches thick where as r 49 batt insulation thickness is 15 1 2 inches. Existing 3 4 inches of insulation.

R values like r 38 are used by the construction industry to describe the thermal resistance of insulation materials like those used to insulate your attic when you are looking at an r 38 insulation you are actually reading a description of its resistance rather than size or thickness of the material.