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Despite its advantages, reroofing is not without its drawbacks. One of the foremost considerations is local building codes. Many jurisdictions allow homeowners to place a new layer of shingles atop existing ones, but there may be limitations. Some areas only permit a single overlay, and if your roof has previously been reroofed, you may be required to remove the old shingles before installing new ones. Always check with local authorities before beginning the project to ensure compliance.
reroof over existing asphalt shingles

Durability is another significant advantage of tab shingle roofs. Constructed from a fiberglass mat coated with asphalt and mineral granules, they are designed to withstand various weather conditions. Most manufacturers offer warranties that extend from 20 to 50 years, depending on the quality of the shingles. This durability is particularly important in regions prone to severe weather, such as high winds, hail, and heavy rain. Proper installation and maintenance can further prolong the life of the roof, making it a wise investment for homeowners.
tab shingle roof
