1. What is an Asphalt Roof Replacement Cost Estimator?

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

Purpose: It helps homeowners and contractors budget for roof replacement projects by calculating material and labor costs.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

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

Explanation: The roof size is multiplied by material cost per square, then labor costs are added for the total project cost.

3. Importance of Roof Cost Estimation

Details: Accurate cost estimation helps with budgeting, financing, and comparing contractor bids for roof replacement projects.

4. Using the Calculator

Tips: Enter roof size in squares (divide total sq ft by 100), material cost per square (default $150), and labor cost (default $1000). All values must be ≥ 0.

5. Frequently Asked Questions (FAQ)

Q1: What is a "square" in roofing terms?
A: One square equals 100 square feet of roof area, the standard measurement unit in roofing.

Q2: What's included in the labor cost?
A: This covers removal of old roofing, installation of new shingles, and cleanup. Additional costs may apply for complex roofs.

Q3: What affects the price per square?
A: Shingle quality (3-tab vs architectural), underlayment type, and regional material costs influence this price.

Q4: How do I measure my roof size?
A: Multiply house length by width, then multiply by roof pitch factor (1.3 for medium pitch, 1.5 for steep).

Q5: Does this estimate include permits or disposal fees?
A: No, check local requirements as these are typically additional costs (5-10% of total).