1. What is the Asphalt Shingle Roof Replacement Cost Calculator?

Definition: This calculator estimates the total cost for replacing an asphalt shingle roof based on roof area, material costs, and labor charges.

Purpose: It helps homeowners and contractors budget for roof replacement projects by providing accurate cost estimates.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( C \) — Total cost ($)
• \( Q \) — Roof area in squares (1 square = 100 sq ft)
• \( P_{square} \) — Price per square of shingles ($)
• \( C_{labor} \) — Labor cost for the project ($)

Explanation: The roof area is multiplied by the cost per square of materials, then labor costs are added to get the total project cost.

3. Importance of Accurate Roof Cost Estimation

Details: Proper cost estimation ensures adequate budgeting, prevents project delays, and allows for comparison of contractor bids.

4. Using the Calculator

Tips: Measure your roof area in squares (divide total sq ft by 100), get current material prices from suppliers, and obtain labor estimates from contractors.

5. Frequently Asked Questions (FAQ)

Q1: What is a "square" in roofing terms?
A: A square is a unit of measurement equal to 100 square feet of roof area.

Q2: What's the typical price range per square?
A: Asphalt shingles typically cost $100-$150 per square, but premium shingles can cost up to $500 per square.

Q3: Should labor be per square or a flat fee?
A: Most contractors charge per square, but some may offer a flat project fee. Enter whichever applies to your situation.

Q4: Does this include removal of old roofing?
A: Labor costs should include tear-off and disposal. Confirm this with your contractor when getting estimates.

Q5: What additional costs should I consider?
A: Factor in underlayment, flashing, vents, drip edge, and 10-15% extra for waste and starter shingles.