Attic Insulation Batts Vs Blown

It comes in rolls and has paper backing on one side.

Attic insulation batts vs blown. Batt insulation is that it is a form of loose fill insulation as opposed to a flexible blanket. When insulating an attic space many homeowners ask us which is better blown in or batt insulation. Once installed and expanded to the uniform manufactured thickness batts offer a known r factor. With this method the insulation is simply blown onto the attic floor and no matter what type of joists studs or wiring that may be in play the blown insulation will naturally form itself tight around any of these creating a layer of strong insulation.

Batts offer a slight advantage. Compared to blown in insulation batts can reach a resistance rating r factor of over 3 1. The photo above shows an attic insulated with blown cellulose. The biggest disadvantage of batt insulation is that it does not fit well in non standard spaces.

You also don t see any gaps that allow you to see all the way down to the ceiling drywall. You ve probably got batts in your attic walls and crawlspace right now. 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. The r factor of blown in fiberglass is usually 2 3 to 2 8 per inch of material.

Very common very problematic. The answer is it depends. Blown in insulation thickness can vary in an attic space. Blown in varieties however typically reach a peak of around a 2 8 r factor.

In short there is less chance of error with blown insulation as compared to batts. 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. Disadvantages of batt insulation.

You can usually obtain an r factor of 3 1 to 4 2 or slightly higher per inch of material with batts. Blown in insulation clearly lean toward using blown in insulation. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Notice how you don t see any of the ceiling framing down at the ceiling level.

Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. The first difference in blown in vs. Loose fill or batt the common term for blanket insulation. Both can be added to uninsulated attics or layered over existing material.

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. It is sold in bags and made of materials that are of varying degrees of recycled. This will lead to non uniform r values.