Roof Underlayment Types: Felt vs Synthetic vs Peel-and-Stick (When to Use Each)
Introduction Roof underlayment is the protective layer installed under the shingles to keep the roof deck dry when the surface isn’t exposed. Felt, synthetic, and peel-and-stick each have a place, but the right choice depends on weather, roof type, and ease of install. Check the product label and local rules to confirm what to use […]
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