Attic Insulation R30 Vs R60

Add insulation to attic.

Attic insulation r30 vs r60.

Those up north will want anything from r49 to r60. 30 grains of black powder will drive that lead ball just fine. The more you use the better insulated your home will be. My daughters room has cathedral ceilings and is always about 2 3 degrees cooler in winter and 2 3 degrees hotter is summer.

90 grains might be approaching the ma. Take a look at the bigger picture and see whether you might be better served by reducing the size of the home finding ways to save on water heating appliances and plug loads or. Use this insulation savings calculator to measure the financial impact of increasing your insulation performance. On the original question more is better but the crossover from a cost benefit may not be there for r60.

Sixty grains even faster. I climbed up to attic and noticed that there are batts of insulation but not much blown in will post a picture. Another way to estimate the savings is a bit crude but there are 5 loss areas windows and doors walls ceilings floors and foundation and air leakage. Remember r 30 is great insulation and r 60 is over the hill.

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 insulated. Enter your data into the fields where indicated. Here s what i mean. For example those in the southernmost part of the us attics should have from r30 to r60 average is r38.

The bottom line is that although you can certainly put r 40 insulation under your slab or r 80 insulation in your walls it may not be the smartest thing to do. Wall insulation whenever exterior siding is removed on an. While there are also insulation recommendations for walls and floors this article will deal mainly with the oft overlooked attics. Assign 20 to each and you get 100 for each area.

Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. Fwiw the recommendation for our region is r30 to r60 in an uninsulated attic so no help there. Whoa whoa david oswald you ve just entered the domain of the law of diminishing returns. Home built in 2000.