What is a 'square' in roofing?

100 square feet. A 30-square roof is 3,000 sq ft of coverage.

What's the difference between fascia and soffit?

Fascia is the vertical trim board (where gutters mount). Soffit is the horizontal underside of the overhang.

Roofing University

Instructor: Professor Roofowl

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Every roofing term, in plain English.

Instructor: Professor Roofowl · 1 lesson

Lesson

From 'ice-and-water shield' to 'valley flashing' — every term your contractor uses, defined simply.

8 min read

Our 2026 maintenance checklist — the habits that prevent five-figure repairs.

The new roof coating trend explained — costs, lifespan gains, and when to skip it.

A side-by-side comparison of cost, lifespan, and resale value.

Smart tools and expert guidance for your whole roofing project.