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One of the main functions of starter shingles is to prevent water infiltration. The eaves of a roof are particularly vulnerable to moisture, especially during heavy rains or snowmelt. By installing starter shingles, you provide an additional layer of protection at the onset of your roofing system. These shingles are usually designed with a wider design and a sealant strip that helps bond them to the substrate. This strong connection prevents water from seeping beneath the shingles and causing leaks or other water damage.
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Additionally, homeowners should factor in the potential need for underlayment and other materials required for proper installation. Underlayment serves as a moisture barrier and can cost between $0.50 to $1.00 per square foot. Flashing, gutters, and venting materials may also need to be considered, as these components play a vital role in the longevity of the roof.
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