The higher the r value the better the thermal performance of the insulation.
Recommended r value for attic in texas.
If you live in the texas panhandle consider increasing your insulation level to at least r 38.
R value is a measure of insulation s ability to resist heat traveling through it.
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.
Exterior walls if your exterior walls are constructed from 2 by 4 inch studs the most insulation that can go into the wall while retaining its r value is r 13 or r 15 as these are both made to fit a cavity 3 1 2 inches deep.
When determining how much insulation you need don t guesstimate calculate.
R value measures how well certain building insulation materials can resist heat.
What r value is best for my home.
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.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
Diyers can use this foam for small jobs such as insulating door frames.
The higher the r value the greater the insulation performance.
This helps reduce heating and cooling costs by making it easier to keep a consistent interior temperature during the extreme weather and hot temperatures that we experience in north texas.
The table below shows what levels of insulation are cost effective for different climates and locations in the home.
Inspecting your attic insulation.
Insulation professionals will be able to tell you how much insulation you need based on.
Insulate the garage s ceiling by using the recommended r value for your area as advised by the department of energy s oak ridge laboratory.
Know exactly how much you need with our project calculators.
Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live.
Insulation level are specified by r value.
Home insulation materials should be purchased based on their r value not the thickness or weight.
For bigger jobs such as roof attic floor and wall insulation you will need professional help and equipment.
Yes generally a higher r value means a more effective insulator but the highest r value possible may not be necessarily right for your project.
Blown fiberglass attic insulation 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.
In order to maximize the insulating potential for most residential attics an r 60 is recommended.
