If you live in the texas panhandle consider increasing your insulation level to at least r 38.
How much insulation is required in an attic in texas.
Loose fill cellulose on the other hand is a much heavier type of insulation which makes it very effective in low temperatures.
What region you live in see the map below.
Recommended insulation levels for retrofitting existing wood framed buildings.
Further attic insulation can be done with attic tents which insulate the attic drop down stairs and slice your energy bill by about 145 annually.
Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.
For example if you have a type of insulation that has an r value of r 5 per inch of thickness you will need a depth of 6 inches of this insulation installed your attic to reach r 30 if you live in zones 2 or 3.
The average recommended level is 17 inches of r60.
Note from this chart that the ideal r value differs for each part of your home.
Dallas texas falls in climate zone three where attics are recommended to have an r value between 38 49 this means a minimum of 12 of insulation.
In zone 2 the average minimum requirement for attic insulation is 9 inches of r30 fill.
Therefore a three inch thick board has an r value of 3.
The insulation in your attic should be at least 12 thick.
In zone 1 the average minimum requirement for attic insulation is 9 inches of r30 fill.
It depends on the type of insulator you use but the short answer is yes.
The thicker the better.
Add insulation to attic.
Residents of southern and central texas should insulate their attics to at least r 30 or about 9 5 inches of conventional fiberglass batt insulation.
Existing 3 4 inches of insulation.
If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs.
The two types of attic insulation available for diy are loose fill insulation and batts insulation.
It is not uncommon to see 15 to 20 of insulation in a well insulated attic.
Insulation professionals will be able to tell you how much insulation you need based on.
Blown fiberglass installed in the attic has an r value of 2 2 per inch so 12 inches of it would give you an r value of 26 4 in your attic installation project.