Common Mistakes That Void a Shingle Warranty

When you invest in a new roof for your home, you expect it to protect you for years to come. To ensure the longevity and effectiveness of your roofing system, it’s important to understand the terms and conditions of your shingle warranty. Many homeowners are unaware that common mistakes can void their shingle warranties, leaving them with unexpected repair or replacement costs. In this blog, we will explore five common mistakes that can void your shingle warranty and how to avoid them.

Poor Installation

One of the primary reasons shingle warranties become void is poor installation. Shingle manufacturers have specific guidelines and requirements for proper installation to ensure the shingles perform as intended. Ignoring these guidelines or hiring inexperienced contractors can lead to installation mistakes, such as improper nailing, incorrect flashing, or inadequate underlayment.

To avoid this mistake, always hire a reputable and experienced roofing contractor. Ensure they are familiar with the manufacturer’s installation instructions and follow them meticulously. This not only protects your warranty but also ensures your roof’s performance and longevity.

Layering New Shingles Over Old

While it might be tempting to save money by layering new shingles over old ones, this practice can void your shingle warranty. Most shingle manufacturers require a complete tear-off of the old roofing material before installing new shingles. Layering new shingles over old ones can lead to an uneven surface, inadequate ventilation, and potential moisture issues, which can compromise the integrity of your roof.

Always adhere to manufacturer recommendations and local building codes by removing the old roofing material before installing new shingles. This not only maintains your warranty but also promotes a more stable and long-lasting roofing system.

Improper Ventilation

Proper ventilation is essential for the health and longevity of your roof. Inadequate ventilation can trap heat and moisture in the attic, leading to shingle damage and premature aging. Many shingle warranties explicitly require proper ventilation as a condition for coverage.

To avoid ventilation-related warranty issues, make sure your roofing contractor installs an appropriate ventilation system that meets both manufacturer specifications and local building codes. Regularly inspect and maintain your attic ventilation to ensure it continues to function correctly.

Pressure Washing

Pressure washing your roof might seem like a quick way to clean off dirt, algae, or moss, but it’s a mistake that can void your shingle warranty. Most shingle manufacturers advise against using pressure washers because they can damage the shingles, strip away protective granules, and force water beneath the shingles, leading to leaks and other issues.

Instead of pressure washing, opt for gentler methods of roof cleaning, such as using a soft-bristle brush or a mild cleaning solution recommended by the manufacturer. Always follow safe and manufacturer-approved cleaning practices to maintain your warranty.

Using Different Brands

Mixing shingle brands during a roof replacement is another mistake that can void your warranty. Shingle manufacturers design their products to work together seamlessly. Using shingles from different brands can result in a mismatched appearance and potential performance issues.

To avoid this, always stick with a single shingle brand for your roofing project. If you’re unsure about the best shingle choice for your needs, consult with a roofing professional who can recommend the most suitable option.

Preserving your shingle warranty requires careful attention to installation details, adherence to manufacturer guidelines, and proper maintenance. Avoiding these common mistakes will not only help maintain your warranty coverage but also ensure the longevity and performance of your roofing system. When in doubt, consult with a qualified roofing contractor to ensure your roof follows the manufacturer’s requirements.

Have further questions? Contact the experts at Herbert’s Roofing, today.

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