Building Exteriors, Building Relationships 228-432-4067 | 601-342-0979

Can you Reroof over old shingles?

Reroofing is a common solution for homeowners looking to update the appearance and functionality of their roof without the cost and labor-intensive process of a complete tear-off. One question that often arises is: Can you reroof over old shingles? In this article, we’ll delve into the pros and cons of reroofing over existing shingles to help homeowners make informed decisions about their roofing projects.

Pros of Reroofing Over Old Shingles:

  1. Cost Savings: Reroofing over existing shingles can be more cost-effective than a complete tear-off since it eliminates the need for labor-intensive removal and disposal of old roofing materials. This can result in significant savings on both materials and labor costs.
  2. Time Efficiency: Reroofing is typically quicker to complete compared to a tear-off and replacement, reducing the disruption to your daily routine and minimizing the time your home is exposed to the elements.
  3. Added Insulation: Layering new shingles over old ones can provide an additional layer of insulation, improving energy efficiency and potentially reducing heating and cooling costs.
  4. Minimal Disruption: Reroofing requires less disruption to your home and landscaping compared to a tear-off, as there is no need for heavy machinery or extensive cleanup of debris.

Cons of Reroofing Over Old Shingles:

  1. Weight Concerns: Layering new shingles over old ones adds extra weight to the roof structure, which can potentially exceed the load-bearing capacity of the roof framing. This can compromise the structural integrity of the roof over time and lead to issues such as sagging or collapse.
  2. Hiding Underlying Issues: Reroofing over old shingles can conceal underlying issues such as water damage, rot, or deteriorating decking. Failing to address these issues can result in more extensive and costly repairs down the line.
  3. Reduced Longevity: Reroofing over old shingles may shorten the lifespan of the new roof, as the underlying layer of shingles can affect the adhesion and performance of the new roofing materials. This can result in premature wear and potential issues with warranty coverage.
  4. Code Compliance: Building codes and regulations may prohibit reroofing over multiple layers of shingles in certain areas. It’s essential to check local building codes and obtain any necessary permits before proceeding with a reroofing project.

Conclusion: While reroofing over old shingles offers cost and time savings benefits, it’s essential for homeowners to weigh the pros and cons carefully before making a decision. Consulting with a professional roofing contractor can provide valuable insight into the condition of your roof and help you determine the best course of action for your specific needs. Whether you choose to reroof or opt for a complete tear-off and replacement, investing in a quality roofing system is essential to protecting your home and ensuring its longevity for years to come.

How to find us: