Attic Insulation Batts Vs Blown

The photo above shows an attic insulated with blown cellulose.

Attic insulation batts vs blown.

In short there is less chance of error with blown insulation as compared to batts. Notice how you don t see any of the ceiling framing down at the ceiling level. 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. Depending on the material of the insulation the installation method may vary slightly.

Blown in insulation clearly lean toward using blown in insulation. Both blown in and batt roll insulation can be installed in different areas of a home including the attic and the walls. Batts you must also examine the r values. When insulating an attic space many homeowners ask us which is better blown in or batt insulation.

When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. Disadvantages of batt insulation. Blown in insulation requires a professional. When comparing blown in insulation vs.

Fiberglass insulation is available in blown in form and so is cellulose which is referred to as loose fill cellulose. 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. Before choosing blown vs. You d need a thickness of.

Blown in varieties however typically reach a peak of around a 2 8 r factor. I don t know about that but it s a common insulation material that works much better in the blown form than in batts. 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.

On the negative side blown insulation will normally require a professional who has access to the blowing machine that is needed. You also don t see any gaps that allow you to see all the way down to the ceiling drywall. 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.

We use both blown in and batt insulation depending on the situation at hand. When a home is fully finished the scales of batt vs. Batt insulation take time to read this column. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

Batt insulation is available at home centers and lumberyards. The answer is it depends.