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Another popular choice is galvanized steel sheet metal. Steel offers high tensile strength, making it an ideal option for RV roofs that require a robust structure to withstand weathering and potential impacts. Galvanization provides a protective coating that helps prevent rust formation and corrosion, thereby enhancing the lifespan of the roof. While steel is heavier than aluminum, its strength-to-weight ratio can be advantageous in specific designs where structural integrity is paramount.
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3. Roof Pitch and Complexity A steeper roof or one with multiple slopes, hips, and valleys will require more labor and safety precautions, leading to higher costs. Simple, symmetrical roofs are generally more straightforward to shingle and can help keep labor costs down.
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