There are many ways to retrofit a home with fiberglass and.
Colorado attic insulation r value.
R value is the resistance to heat and cold.
R 5 shall be added to the required slab edge r values for heated slabs.
In the coldest climates insulating up to r 49 is recommended.
Your home s age if your home is more than 10 year old you likely need more insulation.
For example if an attic has 10 inches of fiberglass batt insulation.
Rock wool blown wall 3 10 4 00.
The recommended r value throughout homes with electric heat is r 49 in your attic r 22 in your walls r 19 in your basement and r 25 in your floors.
You will need a higher r value of insulation if you live in the northeast than if you live in southern california.
Existing 3 4 inches of insulation.
For example r 49 would equal 17 inches of insulation.
Rock wool blown attic 3 10 4 00.
The government recommends a minimum r value of 49 throughout all of colorado.
Add insulation to attic.
R value per inch x number of inches total r value 3 2 x 10 r 32.
Insulation requirements for slab on grade floors are further specified in iecc section r402 2 9.
Because of the temperature fluctuations throughout the year colorado homes require a higher insulation r value than cities with more moderate climates like san diego or phoenix.
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Special insulation exceptions related to ceilings with attic spaces ceilings without attic spaces masonry veneer and.
Use the r value table below to help you determine the r value of your wall or ceiling assemblies.
Once you identify the type of insulation you have in a certain location and measure the depth of that insulation in inches you can figure out the total r value of that insulation.
Recommended insulation levels for retrofitting existing wood framed buildings.
You can achieve better thermal performance in your attic by adding an additional layer of insulation.
R 5 shall be added to the required slab edge r values for heated slabs.
Achieving greater r values in exterior walls.
The depth of your insulation will equate to a relative r value.
Special insulation exceptions related to ceilings with attic spaces ceilings without attic spaces masonry veneer and thermally isolated sunrooms are set forth in iecc.
R value table insulation values for selected materials.
To obtain a wall or ceiling assembly r value you must add the r values of the individual components together.
Where you live different climates require different insulation r values.
