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insulation material, illustrative image

Insulation

Insulation calculator

Blown-in attic insulation: bags and depth for your R-value. Enter your measurements to see how much to buy.

–sq ft of attic floor
–bags of blown fiberglass
–minimum depth (in)

Good to know

These are estimates. Coverage and yield vary by product and conditions, so check the label and your supplier before you buy.

What you will also need for insulation

Tools and supplies that go with this job. These are Amazon search links, so you can compare options and current prices there.

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