Additional Insulation In Attic

Any new batt or roll insulation installed over existing insulation in the attic needs to be without a vapor retarder face.

Additional insulation in attic.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Both can be added to uninsulated attics or layered over existing material. Check the attic walls and floors adjacent to an unheated space like a garage or basement.

The recommended level for most attics is to insulate to r 38 or about 10 to 14 inches depending on insulation type. First things first you need to go up into your attic inspect the condition of the insulation and calculate the current level of insulation. Insulation that is wet compressed or scattered loses its heat resisting ability and should be replaced or enhanced. According to the u s.

For diy attic insulation you ve got two choices. Multiply the number of inches of insulation by the r value per inch. The higher the r value the better the thermal performance of the insulation. Transfer existing loose fill insulation into container and dispose of responsibly off premise.

Inspecting your attic insulation. The vapor retarder on top of or between layers of insulation can trap moisture. Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch. Department of energy fibgerglass batts have an r value of 3 2 per inch while loose fill fiberglass.

For up to 1 foot thick layer of fiberglass wool and cellulose insulation only. The structural elements are usually exposed in these areas which makes it easy to see what type of insulation you have and to measure its depth or thickness inches. Depending on the difficulty of your job the size of your attic and the type of insulation material you. Material cost includes dump fee.

Expect to pay an attic insulation installer about 70 per hour. Additional precautions steps and costs for asbestos insulation are not included. Add the right kind of insulation. Loose fill or batt the common term for blanket insulation.

Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. In a cooling climate a good blanket of attic insulation helps keep the house cooler and reduces the load on air conditioning equipment. Cellulose is recycled newsprint treated with a fire. Fortunately adding insulation to an attic is a task well within the ability of.