Correct Insulation For Attic

Loose fill or batt the common term for blanket insulation.

Correct insulation for attic. Add insulation to attic. It seems like a bad idea to let any air up to the cathedral ceiling regardless what the insulation is. In this case the area behind the knee wall will be uncomfortably hot or cold. So with cold weather.

You can achieve better thermal performance in your attic by adding an additional layer of insulation. Well your attic has a dramatic impact on the temperature throughout the rest of your home as well. For diy attic insulation you ve got two choices. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

There are many different types of insulation all of which are readily available at your local home center. Without proper insulation your attic will heat up in the blazing california summers warming your home like a furnace. It s available in fiberglass mineral wool plastic fibers and natural fibers. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

Am i correct in assuming this. If i have to keep the attic vented the following was suggested. Existing 3 4 inches of insulation. Insulating a finished attic there are two basic ways to insulate a finished attic.

The higher the r value the better the thermal performance of the insulation. Continue laying down the insulation making sure the batts are pressed tightly together at all edge and end joints. Then when winter comes along you could lose up to 25 of your home s heat from your attic alone. A guide to proper attic insulation.

While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic. Recommended insulation levels for retrofitting existing wood framed buildings. Lay the batts across the ceiling joists covering the existing insulation. This type of insulation.

If only the living space will be insulated wrap the insulation around the room s walls and ceiling and then continue along the floor of the non living space. I believe for a vented attic claifornia limate zone 9 suggest smart attic insulation to be either ceiling insulation to be r38 with radiant barrier. Both can be added to uninsulated attics or layered over existing material.