Attic Insulation Batts Vs Blown

That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

Attic insulation batts vs blown.

The photo above shows an attic insulated with blown cellulose. Disadvantages of batt insulation. Both blown in and batt roll insulation can be installed in different areas of a home including the attic and the walls. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Notice how you don t see any of the ceiling framing down at the ceiling level. Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt. Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. The maximum rating of batt insulation is around 4 2.

Blown in varieties however typically reach a peak of around a 2 8 r factor. Any existing batt or roll insulation in the attic should have the facing against the attic drywall floor or no facing at all. Batts you must also examine the r values. Batt insulation is available at home centers and lumberyards.

While the manufacturer will state the actual r value of the insulation that you use according to the department of energy you can expect an r value range between 2 9 and 3 8 per inch of thickness for standard fiberglass batts and between 3 7 and 4 3 for high performance fiberglass batts. When insulating an attic space many homeowners ask us which is better blown in or batt insulation. I don t know about that but it s a common insulation material that works much better in the blown form than in batts. Blown in insulation clearly lean toward using blown in insulation.

The answer is it depends. We use both blown in and batt insulation depending on the situation at hand. In short there is less chance of error with blown insulation as compared to batts. When comparing blown in insulation vs.

Before choosing blown vs. Batt or rolled insulation or blown loose fill insulation fiberglass or cellulose can be installed on top of old insulation. Insulation should be rolled out perpendicular to the joists and unfaced rolls should be used. Depending on the material of the insulation the installation method may vary slightly.

On the negative side blown insulation will normally require a professional who has access to the blowing machine that is needed. Fiberglass insulation is available in blown in form and so is cellulose which is referred to as loose fill cellulose. When a home is fully finished the scales of batt vs. Blown in insulation requires a professional.

You also don t see any gaps that allow you to see all the way down to the ceiling drywall. You can hire a contractor carrying relevant business insurance and using skilled and trained workers to install your batt insulation much more quickly than a batt insulation install might take.