For diy attic insulation you ve got two choices.
Add insulation to attic diy.
You can add loose fill on top of fiberglass batts or blankets and vice versa.
If you use fiberglass over loose fill make sure the fiberglass batt has no paper or foil backing.
It needs to be unfaced.
The pros charge 1 500 to 2 000 to do a 1 200 sq ft.
To add insulation to the attic floor you will require enough blanket material to do the job a heavy duty shop vacuum plastic sheeting for covering the blanket material that will insulate the attic opening a heavy duty staple gun and utility scissors with long blades.
Keep adding layers until you get to r 38.
You will also need a strong board to kneel on that will span the joists.
3 have a friend add material to the hopper.
How much does attic insulation cost.
The structural elements are usually exposed in these areas which makes it easy to see what type of insulation you have and to measure its depth or thickness inches.
To install it just lay it across the joists.
You can do it yourself for about 500.
Carry a batt to the far end of the attic.
Check the attic walls and floors adjacent to an unheated space like a garage or basement.
Block all vents in the attic floor with baffles making sure to extend the baffles at least four inches above the planned thickness of your insulation.
If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
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Both can be added to uninsulated attics or layered over existing material.
When adding additional insulation you do not have to use the same type of insulation that currently exists in your attic.