Blown In Insulation Over Batts

If you are upgrading your attic space, we blow in insulation on top of your batt to achieve desired insulation values.

Blown in insulation over batts.

Batt insulation can also be used in installations with. How does blowing insulation over existing fiberglass batts impact insulation? For this, we use owens corning propink.

Do not tack down any rolled insulation. Rolled insulation should not be tacked down. When there are fiberglass batts in your attic the cellulose will not draft block the top plates.

Here’s a rundown of the costs of the insulation itself: Batts offer a slight advantage. If you choose to hire a professional, expect to pay from $40 to $70 an hour for labor in addition to the cost of materials.

Insulation should be rolled out perpendicular to the joists — and unfaced rolls should be used. I’m looking to remove my existing fiberglass batt insulation and replacing with blow in to have easier access to the electrical work in my attic as well as to improve the overall insulation in general and have a few questions: The only thing is that you probably also want to air seal, and that's a lot easier to do if you remove the insulation first.

Making sure that the insulation is of a fiberglass material will not only ensure a fireproof setup but also reduce airflow from the home through the attic. Blowing over the top is fine and effective. It will however fill in all the gaps that fiberglass batts leave along side of your ceiling joists (if you see wood its no good), and add the to your r factor (cellulose is second best with spray 2 part high density spray foam as first in my book).

When adding, roll the insulation perpendicular to the joists, not parallel. Let’s take a look at what’s involved with insulation around your electrical wires in the attic. What i did was remove the insulation where it was in bad shape or where it was covering what i.