Question 1

How much does it cost to install R21 insulation?

Accepted Answer

The total cost for R21 insulation installation ranges from $4.00 to $14.00 per square foot. This includes materials, labor, supplies, equipment, and disposal.

Question 2

What are the material costs for R21 insulation?

Accepted Answer

Materials for R21 insulation typically cost between $1.80 and $6.30 per square foot. These prices can vary based on the type of insulation you choose.

Question 3

How much does labor cost for R21 insulation installation?

Accepted Answer

Labor costs for installing R21 insulation typically range from $1.40 to $4.90 per square foot. This includes the time it takes to prepare the area and install the insulation properly.

Question 4

Are there extra costs besides materials and labor for insulation?

Accepted Answer

Yes, supplies and other costs can range from $0.48 to $1.68 per square foot. Equipment and disposal add another $0.32 to $1.12 per square foot to the total cost.

Question 5

How much does R21 insulation cost for a 1000 sq ft attic?

Accepted Answer

For a 1000 sq ft attic, you could expect to pay between $4,000 and $14,000 for R21 insulation. This estimate considers the full price range of $4.00-$14.00 per sq ft.

Question 6

Does it save money to install insulation yourself?

Accepted Answer

DIY installation can save on labor costs, potentially reducing the price by $1.40 to $4.90 per square foot. However, consider the expertise a professional brings.

How Much Does R21 Insulation Cost in Honolulu, Hawaii?

$6 – $21

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Component	Category	Price Range	Unit
Materials	material	$3 – $9	sq ft
Labor	labor	$2 – $7	sq ft
Supplies & Other	supplies	$1 – $2	sq ft
Equipment & Disposal	equipment	$0 – $2	sq ft