What Goes Under Your Shingles? Underlayment, Ice & Water Shield Explained | iSpec LLC What Goes Under Your Shingles? Understanding Underlayment, Ice &
Asphalt shingles cover roughly 75 percent of American homes — including the vast majority of Columbus residential roofs. But "asphalt shingle" isn't one product. It's a category with three distinct tiers, each with different lifespans, costs, wind ratings, appearances, and Ohio climate performance.
What roof replacement actually costs in Columbus in 2026. Real price ranges by material, square footage, and complexity — from a local general contractor, not a database.