Attic Insulation Over Do It

If you are using loose fill insulation use sheet metal or wire.

Attic insulation over do it.

Foil radiant barrier does not cause moisture. Batt and roll insulation works well between joist and stud spaces or if you have a wide open space or a crawlspace. Loose fill or batt the common term for blanket insulation. Your insulation will have some peaks and valleys and this is desirable.

For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material. You can do it yourself for about 500. The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type.

If you do have insulation find out the type and compare it to industry standards. Also when laying down additional insulation work from the perimeter toward the attic opening. The higher the r value the better the thermal performance of the insulation. Cellulose insulation has an average thermal value of r 3 7 so you d need just over five inches to equal an r 19 batt.

If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Lay the radiant barrier foil loosely over the attic insulation. Determine if and where you already have insulation. How much does attic insulation cost.

Ideally you want about 10 20 surface contact with the foil. Batt and roll insulation and loose fill sometimes known as blown in insulation. Believe it or not there are situations in a home when you should remove the old attic insulation before adding more over the existing and in this short video. Add the right kind of insulation.

Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation. Blown in insulation overview. Keep all insulation at least 3 inches away from recessed can lights unless they are rated ic insulated ceiling. When adding additional insulation you do not have to use the same type of insulation that currently exists in your.

It can be effectively blown over existing insulation and. See install batt and roll insulation for details. Do not press into the insulation. Measure the depth of your current insulation.

Calculate additional insulation needed. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. R 38 is the industry standard and the minimum thickness for r 38 is 12 inches. Never lay insulation over recessed light fixtures or soffit vents.

Loose fill insulation is great for installing in attics with very little headroom and multiple obstructions such as vents and cross beams.