Attic Insulation Levels

Insulation materials run the gamut from bulky fiber materials such as fiberglass rock and slag wool cellulose and natural fibers to rigid foam boards to sleek foils.

Attic insulation levels.

The higher the r value the better the thermal performance of the insulation. Level up insulation is a professional insulation installation company in beverly hills and we offer a wide range of services including insulation installation replacement and removal as well as crawl space and attic insulation. Add weatherstripping around the perimeter and a sweep to the door of a walk up attic. What type of attic insulation would you recommend.

Cellulose insulation has an r value of approximately 3 to 3 5 per inch. In general to optimally isolate an attic on average an r value of the insulation is required ranging from r 50 to r 60. Affix rigid foam insulation to the attic side of the hatch or door. The floor limits the cellulose to a depth of 12 inches in some places.

The higher the r value the better the thermal performance of the insulation. Find your zone on the map and then use the above insulation r value chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. If i need storage space in my attic where is the best place. The depth varies quite a bit because we have attic trusses and a floor in the attic.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. Add the right kind of insulation. Pull down stair or ladder. R value is a measure of insulation s ability to resist heat flow.

So we have between r36 and r56 in the attic. Inspecting your attic insulation. Rigid foam boards trap air or another gas to resist conductive heat flow. Use a zippered insulated tent to keep the enclosure draft free attic tent at 7 attic cover insulator 120.

Insulation level are specified by r value. R value is a measure of insulation s ability to resist heat traveling through it. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. 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 thickness of the recommended insulation will i need to achieve the required u value 0 16w m2k for ceiling level insulation 0 20w m2k for rafter level insulation. Bulky materials resist conductive and to a lesser degree convective heat flow in a building cavity. Insulation levels are specified by r value. If i were to build another home i d invest in even better insulation.

Why are other types less suitable. The table below shows what levels of insulation are cost effective for different climates and locations in the home.