Pros and Cons of a Roof Overlay
We get asked all the time “Can you add new shingles on top of old ones?” Our answer, “Yes.” Follow up Question: “Should I put another layer of shingles over my existing shingles?” Our answer, “No.” To help explain our stance, we broke down the pros and cons of doing a roof overlay and why we do not recommend doing another layer of shingles over your roof. What is a Roof Overlay? A roof overlay is the process of adding a layer of shingles and waterproofing over a preexisting roof. It is most commonly used as a way to extend…
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