Rainstoppers Roofing in Charleston, WV provides expert roofing solutions, including the installation of metal roofs over existing asphalt shingles. This cost-effective option is gaining popularity for its durability, energy efficiency, and ease of installation.
Key Factors to Consider
- Local Building Codes
Check local regulations to ensure compliance. Some areas may require the removal of old shingles before installing a metal roof. - Structural Integrity
Your home must be structurally capable of supporting the additional weight of a metal roof. A professional inspection is recommended. - Moisture Barriers
Proper moisture control is essential to prevent trapped water, which can lead to mold, rot, or rust. Install moisture barriers or underlayment to protect your roof. - Ventilation
Adequate ventilation ensures the prevention of condensation, maintaining the longevity of the roofing materials. - Cost Analysis
Weigh the costs of shingle removal versus the price of installing a metal roof over the existing structure. - Warranty Implications
Verify if adding a metal roof over asphalt shingles affects your roofing warranties.
Benefits of Installing a Metal Roof Over Asphalt Shingles
Durability and Lifespan
Metal roofs offer an impressive lifespan of 40 to 70 years, significantly outlasting the 20 to 30 years common for asphalt shingles. They are highly durable, standing up to harsh weather conditions like hail and strong winds with minimal need for repairs.
Energy Efficiency
Reflecting heat, metal roofs significantly reduce cooling costs, making them ideal for hot climates. They are also a sustainable choice, reducing waste by eliminating the need to remove old shingles.
Noise Reduction
Contrary to popular belief, metal roofs installed over asphalt shingles are quieter during rainstorms, as the existing shingles act as a noise-dampening barrier.
Potential Drawbacks
Moisture Concerns
Improper installation can trap moisture between the metal roof and asphalt shingles, leading to long-term issues like rust and decay. Proper ventilation and underlayment are critical.
Higher Initial Costs
Metal roofing materials and specialized labor can increase upfront expenses, though the durability and energy savings often offset these costs over time.
When to Consult a Professional
- Structural Inspection: A professional should evaluate the condition of your current roof and the home’s structural capacity.
- Code Compliance: Roofing experts ensure adherence to local building codes.
- Material Selection: Professionals can recommend the best metal roofing material to suit your climate and aesthetic preferences.
- Installation and Final Inspection: Proper installation and a thorough post-installation check guarantee long-term performance.
A Unique Fact About Metal Roofs
Metal roofs can reduce cooling costs by up to 25% due to their reflective properties, making them one of the most energy-efficient roofing options available.
FAQs
1. Can a metal roof be installed on any asphalt shingle roof?
No, the asphalt shingles must be in good condition, and the roof structure must support the added weight.
2. Is it cheaper to install a metal roof over asphalt shingles?
While you save on shingle removal, metal roofs are more expensive upfront but offer long-term savings through durability and energy efficiency.
3. Will installing a metal roof over shingles void my warranty?
Some warranties may be affected. Check with both the metal roofing manufacturer and the contractor.
4. How do I prevent moisture problems?
Proper installation with moisture barriers, ventilation, and professional expertise is key to preventing trapped moisture.
5. Can I install a metal roof myself?
Metal roof installation requires specialized skills and tools, making professional installation highly recommended.
Conclusion
Installing a metal roof over asphalt shingles is a practical, long-lasting solution that offers numerous benefits. With proper planning, adherence to local codes, and professional guidance, you can achieve a durable, energy-efficient roofing system. For expert advice, contact Rainstoppers Roofing in Charleston, WV.To learn how to safely get rid of pigeons on your roof, click here.
