ProsCon Installing Rolled Roofing Over Existing Layers: Pros and Considerations A few things to consider when deciding whether or not to install rolled roofing over existing layers of other…
Advantages of Rolled Roofing Overlays
Cost-Effective: One of the best things about overlaying a rolled roofing is that it will save you money. Removing the old roofing is labor-intensive and expensive, so you can save a significant amount by laying new rolled roofing over the existing roof.
Save Time: One of the benefits to a direct application system is that two steps are combined into one, saving time on both removal and new installation.Rolled Roofing (ad) That could be especially useful for homeowners who need repairs or upgrades sooner rather than later.
Extra Insulation: According to some pros, the extra layer of rolled roofing can offer more insulation that causes a significant increase in energy efficiency especially when you live in an area with extreme temperatures24.
Pre-Installation Considerations
Existing Roof Condition: The existing roof an obvious point of evaluation at the very least. If there exists major damage, like leaks or structural issues, it may make more sense to tear off the existing layer and start from scratch for a stable base beneath your new roof47.
Groundwork: Make sure all work surfaces are washed, clean and dry before you apply new rolled roofing. This preparation, prevents moisture retention past and future leaks1 4.
Building Codes and Regulations — Check with Local Building Code Enforcement, Some areas have limitations specific to layering roofing materials. Ensuring compliance to a number of regulations is essential in order to guarantee no legal ramifications down the line, and for streamlined inspections34.
Conclusion
To wrap it up, although installing rolled roofing over old one is a great idea for many homeowners: you have to think carefully of your conditions prior preparation should be done in proper way local regulations to follow. Talking to a roofer can give you personalized recommendations for your situation.