Attic Insulation Batt Vs Blown

Instead of cutting and stapling rolled up layers into place they get to spray the insulation where it needs to go.

Attic insulation batt vs blown.

The photo above shows an attic insulated with blown cellulose. Both blown in and batt roll insulation can be installed in different areas of a home including the attic and the walls. Depending on the material of the insulation the installation method may vary slightly. It is sold in bags and made of materials that are of varying degrees of recycled.

Disadvantages of batt insulation. Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. The answer is it depends. The thermal performance of fiberglass insulation is directly related to its ability to trap and maintain very small pockets of air.

Batts must be cut tightly and you can t have gaps. We use both blown in and batt insulation depending on the situation at hand. Sloppy people aren t suited for this job. Blown insulation is accomplished by blowing out chunks of either fiberglass or cellulose from the hose of a blowing machine.

Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt. Blown in varieties however typically reach a peak of around a 2 8 r factor. Blown in fiberglass creates a seamless blanket in your attic. That makes it fast to install but costlier than batt insulation.

Blown in insulation is much easier on installers. 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. When insulating an attic space many homeowners ask us which is better blown in or batt insulation. The maximum rating of batt insulation is around 4 2.

I don t know about that but it s a common insulation material that works much better in the blown form than in batts. Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. Fiberglass insulation is available in blown in form and so is cellulose which is referred to as loose fill cellulose. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation.

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.