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.
R 38 attic insulation depth.
The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.
Input depth of existing blown in insulation in inches.
The higher the r value the better the thermal performance of the insulation.
The higher the r value the better the thermal performance of the insulation.
3200 ft2 1000 3 2 19 2 bags per 1000 ft2 for r 38 x 3 2 61 4 bags building inspectors typically check the insulation depth to verify compliance with local codes.
These r values are a sum meaning this should be the total r value once you add up the entire depth of insulation.
This calculator is to be used as an estimating tool only.
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.
Obtain a specific r value.
Owens corning r 38 ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 23 3 4 in.
C insulation for cathedral ceiling applications.
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.
An insulation value of r 38 is at the high end and requires a minimum thickness of 12 inches.
R 38c ecotouch insulation width length thickness r value1 cathedral ceiling construction 15 394mm 23 603mm 48 1 219mm 10 260mm 38 0 1.
Click the button to calculate the approximate r value for this job.
Insulation levels are specified by r value.
Insulation level are specified by r value.
The higher the r value the greater the insulating power.
Add the right kind of insulation.
R value is a measure of insulation s ability to resist heat flow.
The table below shows what levels of insulation are cost effective for different climates and.
Ask your owens corning representative for the fact sheet on r values.
R value does not depend on a single layer of 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.
To achieve r 38 you can use two layers of r.
8 bags model k91 view the owens corning attic insulation.
