Putting Insulation Over Old In Attic

Do we put a moisture barrier over the insulation when we have finished the install.

Putting insulation over old in attic.

We are losing a lot of heat in the winter through the attic. When adding additional insulation you do not have to use the same type of insulation that currently exists in your. Best of all insulation is relatively easy to install and the average attic can be completed over the course of a weekend. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

The old insulation is very compressed or has decomposed. It use to fill the space between the boards and now there is very little. Original insulation looks like little cotton balls. Work from the perimeter of the attic toward the door or hatch so that you don t trample all over the insulation you just put in.

The higher the r value the better the thermal performance of the insulation. Although insulation professionals will handle the installation for you here are some things to keep in mind about removing old insulation and installing new insulation over old insulation according to energy star. House build around 1960 63. To install fiberglass batts over existing insulation lay the batts perpendicular to the joists so they do not compress the insulation below.

Whether you live in a warm weather state as i do or in a cooler northern climate it s hard to stay comfortable and keep your energy bills in check if you don t have adequate insulation in the attic. Add the right kind of insulation.