Attic Insulation R19 Or R30

In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.

Attic insulation r19 or r30. Don t stuff r 30 into a space that just fits r 19 5 1 2 because you will lose efficiently if you do. Existing 3 4 inches of insulation. Use this insulation savings calculator to measure the financial impact of increasing your insulation performance. Just a ballpark notlooking to get into a new manaual j calc.

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. If you use the attic for living space you should insulate the ceiling of the attic if not then do the ceiling of the house itself. Faced 31 unfaced 17 more ways. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces.

Enter your data into the fields where indicated. 10 bags model bf90 view the owens corning attic insulation. For loose fill cellulose this translates to a total depth ranging from 8 inches. What you want to do is fill the space between the framing members.

Owens corning r 30c ecotouch pink cathedral ceiling kraft faced fiberglass insulation batt 15 1 2 in. Wall insulation whenever exterior siding is removed on an. Quick question how many btu s should be saved if increasing attic insulation from r19 to r30 in 2 000sq ft of space. Get free shipping on qualified r21 r30 r19 fiberglass insulation or buy online pick up in store today in the building materials department.

That said use as much as you can. Add insulation to attic. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy.

R30 27 r38 12 r49 7 r5 1 r6 7 1 r8 1 insulation location.