1. What is Soffit Area?

The soffit area is the total square footage of material needed to cover the underside of your roof's overhang. It's calculated by multiplying the length of your eaves by the width of the soffit.

2. How Does the Calculator Work?

The calculator uses the simple formula:

Where:

• Eaves Length — The linear measurement along the roof edge (in feet)
• Soffit Width — The distance the roof overhangs the wall (in feet)

Explanation: This calculation gives you the total area that needs to be covered with soffit material.

3. Importance of Soffit Calculation

Details: Accurate soffit area calculation helps in purchasing the correct amount of material, estimating costs, and planning ventilation requirements for proper attic airflow.

4. Using the Calculator

Tips: Measure the total length of all eaves where soffit will be installed and the width of the overhang. Enter these values in feet for accurate results.

5. Frequently Asked Questions (FAQ)

Q1: Should I add extra material for waste?
A: Yes, it's recommended to add 10-15% to your total calculation to account for cutting waste and mistakes.

Q2: How do I measure eaves length for complex roofs?
A: Break the roof into simple sections, measure each section's eaves length separately, then sum them all.

Q3: What's the typical soffit width?
A: Standard soffit widths range from 6 inches to 2 feet, but this varies based on roof design and overhang.

Q4: Does this calculation include fascia?
A: No, this calculates only the soffit area. Fascia covers the vertical edge of the roof and requires separate measurement.

Q5: How does this relate to ventilation requirements?
A: Building codes often require 1 sq.ft. of net free vent area per 150-300 sq.ft. of attic space, which affects soffit vent placement.