May 15, 2024 | horizonroofing

Four Key Insights on Why Opting Against Re-Roofing is Advised

Four Key Insights on Why Opting Against Re-Roofing is Advised

In the realm of residential and commercial roofing, the debate on the viability of re-roofing — the practice of laying new shingles over existing ones — is a topic of considerable discussion. Below, we explore pivotal reasons that guide professional stances against this method, underscoring the importance of choosing full roof replacements for long-term building integrity and safety.

Addressing Underlying Roof Problems is Crucial

Opting for a re-roofing approach essentially masks the pre-existing conditions of the old roof without truly addressing them. This superficial solution ignores critical issues such as structural deterioration, water damage, mold growth, and potential violations of building codes. Unlike re-roofing, a complete roof replacement involves a thorough inspection and repair of the existing roof structure. This process ensures any underlying problems are resolved, thereby extending the lifespan of the new roof and maintaining the building’s overall health and safety.

Durability and Performance Concerns

Re-roofing compromises on several fronts, notably in terms of durability and the roof’s ability to withstand environmental stresses. The layering technique does not provide a flat and stable substrate for the new roofing material, leading to potential issues with wind uplift and overall resilience against the elements. Additionally, the added weight of a second layer of roofing materials can strain the building’s structural framing, posing risks to its stability and safety.

Manufacturer’s Recommendations and Warranty Considerations

Roofing manufacturers typically advise against re-roofing due to the limitations it imposes on the performance and longevity of their products. These systems are designed to meet high standards of wind resistance, fire safety, and durability, which are compromised when applied over an existing roof layer. Furthermore, re-roofing can void manufacturer warranties, leaving property owners without recourse in the event of roofing failures or defects.

Limited Applicability and Inherent Risks

While re-roofing may be presented as a cost-effective solution under specific circumstances, its suitability is exceptionally narrow and comes with considerable caveats. It is only advisable when the existing roof is relatively new and free from significant damage. Even then, the decision to re-roof should be made with a full understanding of the inherent risks, including potential for premature failure and the likelihood of encountering hidden issues that remain unaddressed.

Horizon Roofing, based in Anaheim, CA, emphasizes the importance of a comprehensive approach to roofing that prioritizes the building’s long-term integrity over short-term savings. By choosing a full roof replacement, property owners benefit from a solution that addresses the entire scope of roofing concerns, backed by solid warranties and the assurance of a durable, high-performance roofing system.
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Conclusion

In conclusion, while re-roofing may seem like an attractive option for its lower upfront costs, the practice is fraught with significant downsides. These include the failure to address existing roof issues, concerns over durability and performance, the voiding of manufacturer warranties, and the narrow conditions under which re-roofing could be considered appropriate. For those seeking to ensure the longevity and safety of their property, a full roof replacement, as advocated by Horizon Roofing, remains the most reliable and effective solution.

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