Can You Put A Vapor Barrier Over Faced Insulation. Insulation energy savings upgrading your insulation can result in lower heating and cooling bills. This barrier is meant to keep moisture from getting to the insulation in the walls and ceilings, and it is required by building codes when insulating most houses. If you are unsure about your fixtures you can.
The purpose of a vapor barrier is to prevent moisture, generated by cooking, showers, dish washing and people exhaling, from saturating the insulation.
Don't put a vapor barrier on both sides of the insulation but tyvek would work, it is you could also cut slits in the kraft face to let is breath, install the paper side. Plastic vapor barriers should only be installed in vented attics in climates with more than 8,000 heating degree days. Insulation energy savings upgrading your insulation can result in lower heating and cooling bills. Because air is constantly heating and cooling, it is hard to control how much moisture enters your home. This barrier is meant to keep moisture from getting to the insulation in the walls and ceilings, and it is required by building codes when insulating most houses. Where it is located in an assembly and its permeability is a function of. This barrier should be taped at the seams and ceiling forming sort of an air tight cell. I want to put my stud walls over the existing insulation and then insulate the walls on top of the vapor barrier of the existing insulation.
