Attic Insulation Batt Vs Blown

The biggest disadvantage of batt insulation is that it does not fit well in non standard spaces.

Attic insulation batt vs blown.

The answer is it depends. Blown in insulation is much easier on installers. That makes it fast to install but costlier than batt insulation. The maximum rating of batt insulation is around 4 2.

Disadvantages of batt insulation. Blown in fiberglass creates a seamless blanket in your attic. When insulating an attic space many homeowners ask us which is better blown in or batt insulation. Therefore if you have an abundance of joists and studs in your attic floor or likewise have many wires and other obstructions batt insulation may not be the best way to go.

Depending on the material of the insulation the installation method may vary slightly. Often times a combination of the two is ideal. 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 varieties however typically reach a peak of around a 2 8 r factor.

Blown insulation is accomplished by blowing out chunks of either fiberglass or cellulose from the hose of a blowing machine. Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. We use both blown in and batt insulation depending on the situation at hand. Batts must be cut tightly and you can t have gaps.

The first difference in blown in vs. Instead of cutting and stapling rolled up layers into place they get to spray the insulation where it needs to go. It is sold in bags and made of materials that are of varying degrees of recycled. Sloppy people aren t suited for this job.

You also don t see any gaps that allow you to see all the way down to the ceiling drywall. Notice how you don t see any of the ceiling framing down at the ceiling level. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. The photo above shows an attic insulated with blown cellulose.

Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. Both blown in and batt roll insulation can be installed in different areas of a home including the attic and the walls.