Attic Insulation R13 Vs R30

Here s what i mean.

Attic insulation r13 vs r30.

Wall insulation whenever exterior siding is removed on an. Jump to latest follow status not open for further replies. Is there a significant diference between the two. Add insulation to attic.

The depth of the 2x4 is 3 5 inches which will accommodate r11 or r13 insulation. While am not sure of the individual pricing should i make a change to r30. New homes with 2x6 walls will accommodate r19 or r21 insulation. Sixty grains even faster.

When i was at home depot earlier today i saw an r30 insulation role which was advertsied as acoustic insulation. The contractor working on my basement is going to insulate the walls with r13 insulation. R13 r30 insulation big difference. Insulation savings calculator use this insulation savings calculator to measure the financial impact of increasing your insulation performance.

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. 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. In attics we should use additional layers of. Improved insulation is a good step toward improving building efficiency particularly since the atlanta based american society of heating refrigerating and air conditioning engineers ashrae increased minimum roof insulation levels in 2007 in its standard 90 1 the first increase in 18 years and if that isn t enough to spur someone into action.

A recent mckinsey co. Existing 3 4 inches of insulation. 1 4 of 4 posts. Discussion starter 1 nov 26 2005 hi.

90 grains might be approaching the ma. Square feet of house or area to be insulated current and desired r value for insulation and type and cost of your energy. Going from r 11 to r 13 just involves using a different insulation but going from r 13 to r 15 the whole wall r value for 2x6 walls requires going from 2x4 to 2x6 walls and thus more insulation more lumber and doors and windows with wider jambs. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation.

Enter your data into the fields where indicated. The key is to figure out how much it s going to cost you to get those savings. The contractor working on my basement is going to insulate the walls with r13 insulation.