Blown Attic Insulation Vs Batts

Blown in fiberglass vs fiberglass batts which is better.

Blown attic insulation vs batts.

The first difference in blown in vs. Blown in spray foam batts and blankets. You also don t see any gaps that allow you to see all the way down to the ceiling drywall. For diy attic insulation you ve got two choices.

Blown in fiberglass creates a seamless blanket in your attic. Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. Different types of batt vs blown in insulation batt insulation often comes rolled up in layers that you cut to size and install with staple guns. The answer is it depends.

It also offers a little better thermal resistance than its counterpart. Your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. Blown in fiberglass insulation will perform better against fiberglass rolled batts. Both can be added to uninsulated attics or layered over existing material.

Loose fill or batt the common term for blanket insulation. It is also preferable to use blown in insulation instead of batts rolls because the very act of blowing in the fiberglass or cellulose pieces causes them to create a seamless blanket much like a blanket of snow. Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. The photo above shows an attic insulated with blown cellulose.

Current energy standards recommend the installation of a first layer of craft faced moisture barrier fiberglass batt. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Sloppy people aren t suited for this job. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons.

Notice how you don t see any of the ceiling framing down at the ceiling level. We use both blown in and batt insulation depending on the situation at hand. 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.

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. To get the full r value of insulation it must be in contact with the conditioned space. When insulating an attic space many homeowners ask us which is better blown in or batt insulation.

Batt insulation often punishes installers with fiberglass fibers that cause itching and scratching. That s because blown insulation is great at filling the gaps and giving you a good complete layer of insulation. Advantages of batt insulation.