Attic Insulation Blown In Or Rolls

Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Attic insulation blown in or rolls.

The vapor retarder on top of or between layers of insulation can trap moisture. Attic insulation can be a diy project with a rented or borrowed blower but is still a challenge. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The most common options are blown in insulation batts and rolls.

Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. With this method the insulation is simply blown onto the attic floor and no matter what type of joists studs or wiring that may be in play the blown insulation will naturally form itself tight around any of these creating a layer of strong insulation. Although professional contractors like attic guys will aid you in making this decision we also feel that it is important for you to understand these insulation types and what makes them different.

Before choosing blown vs. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Using r 30 for reference a 58 square foot roll cost 61 at a major retailer in october 2018 making the cost of materials close to 1 00 per square foot. There are other materials and systems that you can use to insulate your attic.

The main benefit of blown insulation is that it is a much more consistent type of insulation. When it comes to adding or replacing the insulation in your attic there are several types of insulation to choose from two of the more common forms of insulation are blown in insulation and rolled insulation which is also referred to as batt insulation. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. I d blow insulation on the attic floor after air sealing of course.

By contrast installing fiberglass batts or rolls while labor intensive is not hard for diyers. Both can be added to uninsulated attics or layered over existing material. Loose fill or batt the common term for blanket insulation. For diy attic insulation you ve got two choices.

Yes you need to have a ceiling to hold the insulation up in the. The big disadvantage with spray foam is cost. Do you need to do anything special for blown in insulation in the attic. The insulation itself costs about the same for comparable r.

Batt insulation take time to read this column. Cost for batt insulation per square foot for materials. Batt insulation is available at home centers and lumberyards. Handy homeowners can install blown in insulation in the attic.