Correct Insulation For Attic

It s available in fiberglass mineral wool plastic fibers and natural fibers.

Correct insulation for attic.

So with cold weather. Then when winter comes along you could lose up to 25 of your home s heat from your attic alone. Both can be added to uninsulated attics or layered over existing material. Achieving greater r values in exterior walls in exterior walls add insulating sheathing to achieve a greater r value in your wall system.

If i have to keep the attic vented the following was suggested. Insulating a finished attic there are two basic ways to insulate a finished attic. Add insulation to attic. The higher the r value the better the thermal performance of the insulation.

In this case the area behind the knee wall will be uncomfortably hot or cold. Well your attic has a dramatic impact on the temperature throughout the rest of your home as well. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. Loose fill or batt the common term for blanket insulation.

Although installing insulation in an unheated attic is usually a fairly straightforward job a variety of pitfalls await the unwary. 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. For diy attic insulation you ve got two choices. Am i correct in assuming this.

There are many different types of insulation all of which are readily available at your local home center. It seems like a bad idea to let any air up to the cathedral ceiling regardless what the insulation is. Without proper insulation your attic will heat up in the blazing california summers warming your home like a furnace. While wearing dust mask and gloves carry r 38 batts of unfaced fiberglass insulation into the attic.

Lay the batts across the ceiling joists covering the existing insulation. Recommended insulation levels for retrofitting existing wood framed buildings. Existing 3 4 inches 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.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. You can achieve better thermal performance in your attic by adding an additional layer of insulation. For the tightest nooks and crannies of the attic many people choose loose fill.