Adding A Layer In Photoshoper Of Insulation In The Attic

We do plan to deal with the walls later by taking down the wood boards adding insulation and a layer of plastic then putting the boards back up.

Adding a layer in photoshoper of insulation in the attic.

Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face. Blanket insulation typically comes in rolls that are twenty four inches wide since this is the most common width of open spaces between joists but. The higher the r value the better the thermal performance of the insulation. Adding insulation to the attic is relatively easy and very cost effective.

If it is less than r 30 11 inches of fiber glass or rock wool or 8 inches of cellulose you could probably benefit by adding more. By reducing energy. So it s time to pay close attention to what s happening up there. The extra batting increases r values so it further slows warm air.

Some attic floors that already have a layer of insulation could benefit from an additional application over the existing layer. The vapor retarder on top of or between layers of insulation can trap moisture. There is insulation in some of the walls but not all. Faced insulation should not be placed on top of existing insulation in the attic.

So maybe too air tight is an eventual possibility. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. An attic that has never been insulated requires at least 6 inches of top quality insulating material and an attic with a thin layer of insulation can be insulated with 4 inch blanket insulation. I ve always said adding insulation to your attic is some of the best money you can spend to make your house more energy efficient but whether to use faced or unfaced insulation is a great question.

Proper attic insulation is the best way to prevent heat loss in the winter and retain cool air in the summer. To find out if you have enough attic insulation measure the thickness of the insulation. Now here s a situation where a homeowner what looks like many years ago added insulation they added a three inch layer but it has facing on it and that could create a. When adding additional insulation you do not have to use the same type of insulation that currently exists in your.