Attic Insulation Blown In Or Rolls

Loose fill or batt the common term for blanket insulation.

Attic insulation blown in or rolls.

Blow in insulation is difficult for diyers especially for wall cavities. I d blow insulation on the attic floor after air sealing of course. Do you need to do anything special for blown in insulation in the attic. 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.

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. Handy homeowners can install blown in insulation in the attic. Attic insulation can be a diy project with a rented or borrowed blower but is still a challenge. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. 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. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. The main benefit of blown insulation is that it is a much more consistent type of insulation.

There are other materials and systems that you can use to insulate your attic. The big disadvantage with spray foam is cost. Batt insulation take time to read this column. By contrast installing fiberglass batts or rolls while labor intensive is not hard for diyers.

The vapor retarder on top of or between layers of insulation can trap moisture. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Before choosing blown vs. For diy attic insulation you ve got two choices.

Cost for batt insulation per square foot for materials. 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. Although both forms of insulation are effective we prefer to work with blown in insulation for a number of reasons. Yes you need to have a ceiling to hold the insulation up in the.

Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Batt insulation is available at home centers and lumberyards. The insulation itself costs about the same for comparable r.