Which Is Better Blown Or Rolled Insulation In The Attic

Blown a better choice is insulation that comes in smaller chunks.

Which is better blown or rolled insulation in the attic.

The number one prep step. Batt insulation take time to read this column. Blown in insulation is made of cellulose fibers. It became an advantage to builders to use this type of insulation because it saved them money on supplies.

Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. The installer taking his best firefighter pose holds a large hose and blows the chunks into the attic. Before choosing blown vs. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

A large machine outside churns the chunks and uses air to blow them up through the hose. Blown in fiberglass insulation will perform better against fiberglass rolled batts. Another thing to keep in mind is that blown in insulation can be more cost effective depending on the attic situation. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.

While you may have to take down drywall or remove flooring in order to lay down rolled insulation blown in insulation can be applied through small holes drilled into the cavities between the studs. The main benefit of blown insulation is that it is a much more consistent type of insulation. With blown in insulation you can expect an r value of 2 2 to 2 7 per inch for fiberglass and between 3 2 and 3 8 per inch of cellulose. Handy homeowners can install blown in insulation in the attic.

Batt insulation or about insulation removal and or installation for your home or building we re here to help. Blown in spray foam batts and blankets. Blown in fiberglass vs fiberglass batts which is better. In either case get an extra bag or roll you really don t want to run out when you re almost done putting it in.

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. If you have questions about blown in vs. It is possible to reach the same r value using less of this spray insulation than using the typical rolled insulation. Blown in insulation requires a professional.

Batt insulation is available at home centers and lumberyards. To get the full r value of insulation it must be in contact with the conditioned space. Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.