R30 Vs R38 Ceiling Insulation

We got a quote for r30 and r38.

R30 vs r38 ceiling insulation.

90 grains might be approaching the ma. Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance. 12 inches r38. So we extended our rafters with some two by fours giving us the space to increase our ceiling insulation to r30.

Cross section of wall insulation. Here s what i mean. 9 inches r30. Whoa whoa david oswald you ve just entered the domain of the law of diminishing returns.

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. I live in georgia and i believe and that is zone 1. Enter your data into the fields where indicated. 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.

3 5 inches r13. Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. We got a quote to add more. Enjoy better floor to floor climate control in your home by installing ceiling insulation.

For future reference here is the cavity depth you need for some common insulation r values. Wall insulation whenever exterior siding is removed on an. Now that you understand insulation r values you can make sure your home is properly insulated. 30 grains of black powder will drive that lead ball just fine.

Does anyone know what the r value of the the current insulation is and if it s worth keeping or replacing. The c denotes high density materials specifically designed for installation in areas where space is limited such as cathedral ceilings. Went ahead and asked for r38. 6 inches r19.

Sixty grains even faster. Our house has r10 right now.