Can You Install Metal Roofing Over Asphalt Shingles?: 1 Minute to Review the Pros and Cons

When considering whether to install metal roofing over asphalt shingles, it's essential to understand the advantages and potential challenges of this approach. With many homeowners seeking to enhance durability and energy efficiency, layering metal on shingles could be an attractive solution.

Understanding the Basics:

Firstly, remember that metal roofing can typically be installed over existing asphalt shingles without removing the original layer. This method can save time and labor costs, and it also adds an extra layer of insulation which can lead to energy savings.

Advantages of Metal Roofing Over Asphalt Shingles:

1. **Cost-Effectiveness**: Installing metal roofing over existing shingles can significantly reduce the labor costs involved in the tear-off process.

2. **Enhanced Durability**: Metal roofs are known for their longevity and can withstand harsh weather conditions better than asphalt.

3. **Energy Efficiency**: Metal roofing reflects solar heat, which may help in reducing cooling costs during hot months.

Potential Challenges:

While there are benefits, there are also considerations for this installation method:

1. **Weight Concerns**: Adding metal roofing can increase the weight on your home, so it's essential to ensure your structure can support it.

2. **Improper Installation Risks**: Issues may arise if the installation isn’t done correctly, leading to leaks or other problems.

3. **Warranty Implications**: Some asphalt shingle manufacturers may void warranties if metal is installed over shingles.

Conclusion:

In conclusion, while you can install metal roofing over asphalt shingles, careful consideration of the pros, cons, and proper installation techniques is vital. Always consult with a roofing professional to evaluate your specific situation and to ensure the best outcome for your roofing project.

FAQ

Q: Is it better to remove shingles before installing a metal roof?A: While it's not necessary to remove shingles, doing so can allow for a better seal and fewer chances of moisture retention.