Cellulose Insulation Vapor Barrier Attic

Blown into place dry or wet.

Cellulose insulation vapor barrier attic.

No if packed to a density of at least 2 6 lb cu. Radiant barriers radiant barriers shall be installed on top. Kraft faced batt insulation should not be installed between roof rafters if the attic is vented. Central ac was installed 12 years ago with equip.

You have loose fill insulation in the attic which doesn t have a vapor barrier. Should you install a vapor barrier over preexisting attic insulation. I want to dense pack the walls with cellulose insulation and loose fill the attic area. The insulation fiberglass or cellulose is then placed on top of the drywall with no vapor barrier above or below.

Infiltration of unconditioned ambient air means that heating and cooling systems must work harder to compensate for heat losses in the. Here is my question. The best way to answer this question in addition to considering the factors above would be to talk to a professional. The theory is that part of the moisture vapor in the house is actually blocked by the drywall and paint on the.

An adhesive reduces its tendency to settle. Some regions don t require a vapor barrier. Mold is a huge pain and we at green attic understand that. Located in the attic.

Several insulation contractors have recommended loose fill cellulose attic insulation for my 1970 s era ranch in northeastern ct. No the best option is to install un faced or loose fill fiberglass or cellulose on top of your drywall. Attic vapor barrier detail for cold climates the best approach for a vented attic in a cold climate is installing a layer of drywall with a good coat of latex paint the paint creates a semi permeable vapor barrier. Whether using loose fill or batts put the vapor barrier closest to the warm side of your installation where hot moist air would get in facing the house s interior in cold climates beneath floor insulation and the attic s interior in hot climates on top of floor insulation.

A recent one on cellulose insulation and air vapor barriers one of a flurry on the topic tipped the scale toward a broader response as we continue to dispel this enduring myth. Retrofit work attic insulation. Good afternoon i live in buffalo ny and am remodeling my home. Air vapor barriers with cellulose insulation air infiltration and exfiltration has a major impact on the r value that insulation delivers and as a result on the thermal performance of an insulated dwelling.

The house is heated with oil via a hydronic baseboard system. Insulation is a crucial component in proper air and vapor barrier and we highlight some crucial reasons here. Made from pulverized newspapers and treated with boron to resist fire and pests.