Installing a New Roof Over Your Existing Roof: What to Know

Discover the essential factors to consider before installing a new roof over your existing one.

The Benefits and Drawbacks of Installing a New Roof Over an Existing One

Installing a new roof over an existing one can be a cost-effective solution. It eliminates the need for a complete tear-off, reducing labor costs and the time required for the project. Additionally, this method can provide extra insulation, potentially lowering energy bills.

However, there are some drawbacks to consider. Adding a new layer of shingles can increase the weight on the structure, which may not be suitable for all buildings. Furthermore, any underlying issues with the original roof, such as rot or leaks, will remain unresolved and could cause future problems.

Types of Roofing Systems Suitable for Overlay

Not all roofing systems are suitable for an overlay. Asphalt shingles are the most common type of roofing material used for overlays due to their lightweight and flexibility. Metal roofing can also be installed over existing shingles, provided the structure can support the additional weight.

It's crucial to consult with a roofing professional to determine if your current roof is a candidate for an overlay. Some roofing systems, like clay tiles or slate, are generally not suitable for this method due to their weight and structural requirements. Commercial buildings are usually the best candidates for roofing overlay. Contact A&O Roofing Solutions for a thorough inspection of existing roof and a proper pull test should be conducted. 

Key Considerations Before Deciding on a Roof Overlay

Before deciding on a roof overlay, consider the condition of your existing roof. If there are significant issues like extensive water damage, mold, or rot, a complete tear-off may be necessary. Additionally, check local building codes, as some areas have regulations that limit the number of roofing layers allowed.

Another important factor is the weight of the new roofing material. Ensure that your home's structure can support the additional weight without risking structural integrity. Finally, consider the long-term implications; while an overlay may be cheaper initially, it could lead to higher costs in the future if underlying issues are not addressed.

Maintenance Tips for Your New Overlay Roof

Regular maintenance is key to extending the life of your overlay roof. Conduct bi-annual inspections to check for any signs of damage, such as missing shingles or cracks. Contact A&O Roofing Soloutions at (573)549-4366 or visit us online at: www.aoroofingsolutions.com to ask about our preventaive maintanence protection program.

Keep the roof clean by removing debris like leaves and branches, which can trap moisture and lead to mold growth. Additionally, ensure that gutters and downspouts are clear to prevent water buildup that could damage the roof. Finally, address any minor issues promptly to avoid costly repairs down the line.