Attic Insulation Rolls Vs Blown

Blown in fiberglass insulation will perform better against fiberglass rolled batts.

Attic insulation rolls vs blown.

Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. We previously had rolls of r30 and now have the option of rolls vs blown in. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

The first difference in blown in vs. Batt insulation take time to read this column. Before choosing blown vs. Compare blown vs rolled vs spray insulation rolled insulation prices rolled insulation often called batt and roll insulation is the classic material for home insulation.

It provides great heat and cold insulation. Batt insulation is available at home centers and lumberyards. I am told blown in can go all over the place in a storm and rolls lose their insulation ratings quicker easier. Batt and roll is typically a fiberglass based product.

It is already removed. I d blow insulation on the attic floor after air sealing of course. Blown in fiberglass vs fiberglass batts which is better. Blown insulation is accomplished by blowing out chunks of either fiberglass or cellulose from the hose of a blowing machine.

The main benefit of blown insulation is that it is a much more consistent type of insulation. Rolled insulation should not be tacked down. Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical.

The big disadvantage with spray foam is cost. To get the full r value of insulation it must be in contact with the conditioned space. 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. 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.

It also can be really itchy during installation. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The r value can be reduced if the insulation is squashed or flattened. It is sold in bags and made of materials that are of varying degrees of recycled.

Another thing to keep in mind is that blown in insulation can be more cost effective depending on the attic situation.