R30 Vs R38 Ceiling Insulation

The owner already put new double pane windows in the entire house so hopefully with new insulation the house will be somewhat efficient.

R30 vs r38 ceiling insulation.

Enter your data into the fields where indicated. Enjoy better floor to floor climate control in your home by installing ceiling insulation. Our house has r10 right now. Wall insulation whenever exterior siding is removed on an.

9 inches r30. Went ahead and asked for r38. R30 c r30 r38 c r38 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. 30 grains of black powder will drive that lead ball just fine.

90 grains might be approaching the ma. Cross section of wall insulation. Does anyone know what the r value of the the current insulation is and if it s worth keeping or replacing. For future reference here is the cavity depth you need for some common insulation r values.

Whoa whoa david oswald you ve just entered the domain of the law of diminishing returns. Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the new siding and. Here s what i mean. The c denotes high density materials specifically designed for installation in areas where space is limited such as cathedral ceilings.

We got a quote to add more. Now that you understand insulation r values you can make sure your home is properly insulated. Worst case they come back and say they ll pay for r30. 6 inches r19.

If you don t have all the tools you need to install insulation and improve your insulation r ratings yourself consider our tool rental services. Sixty grains even faster. 12 inches r38. Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.

3 5 inches r13. Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.