Recommended R Value For Attic In Texas

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.

Recommended r value for attic in texas.

Inspecting your attic insulation. If you live in the texas panhandle consider increasing your insulation level to at least r 38. In order to maximize the insulating potential for most residential attics an r 60 is recommended. 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.

The open cell polyurethane foam has an r value of 3 5 to 3 6 per inch with a price tag of 1 1 20 square foot. 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. What r value is best for my home. 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.

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. 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. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. 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.

Insulation professionals will be able to tell you how much insulation you need based on. R value is a measure of insulation s ability to resist heat traveling through it. R value measures how well certain building insulation materials can resist heat. The higher the r value the greater the insulation performance.

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. The higher the r value the better the thermal performance of the insulation. 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. Home insulation materials should be purchased based on their r value not the thickness or weight.

Know exactly how much you need with our project calculators. When determining how much insulation you need don t guesstimate calculate. Insulation level are specified by r value. See the department of energy s doe ranges for recommended levels of insulation below.