Felt vs synthetic roof underlayment

Compare felt vs synthetic roof underlayment to see which offers better durability, moisture resistance, and performance for your roofing project.

felt vs synthetic underlayment

Felt vs Synthetic Underlayment: Which is Better?

“It’s what’s under your shingles that really counts.” That’s a phrase I’ve repeated hundreds of times during roof replacements across Toledo — and it holds true every time. Most homeowners focus on the visible parts of their roof: shingles, flashing, and gutters. But the real protection starts underneath, with the roof underlayment. If you’ve been researching roof replacement or repairs, you’ve probably...