R30 Vs R38 Ceiling Insulation

Our house has r10 right now.

R30 vs r38 ceiling insulation.

Sixty grains even faster. So we extended our rafters with some two by fours giving us the space to increase our ceiling insulation to r30. 6 inches r19. Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.

Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. 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. Does anyone know what the r value of the the current insulation is and if it s worth keeping or replacing. We got a quote for r30 and r38.

Now that you understand insulation r values you can make sure your home is properly insulated. Went ahead and asked for r38. The owner already put new double pane windows in the entire house so hopefully with new insulation the house will be somewhat efficient. 30 grains of black powder will drive that lead ball just fine.

Worst case they come back and say they ll pay for r30. Whoa whoa david oswald you ve just entered the domain of the law of diminishing returns. 12 inches r38. Enter your data into the fields where indicated.

Here s what i mean. 3 5 inches r13. The c denotes high density materials specifically designed for installation in areas where space is limited such as cathedral ceilings. Drill holes in the sheathing and blow insulation into the empty wall cavity before installing the new siding and.

9 inches r30. For future reference here is the cavity depth you need for some common insulation r values. 90 grains might be approaching the ma. 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.

Enjoy better floor to floor climate control in your home by installing ceiling insulation. I live in georgia and i believe and that is zone 1.