Can You Put a Metal Roofing on Top of an Old Metal Roof?
Can you put a new metal roofing system over an old metal roof? Yes and no. One advantage of installing a new metal roof over a conventional one is the waterproofing layer that it provides. On the downside, it might lead to corrosion. learn more The other advantage is its longevity. Read on to find out more. Until the next time, consider these tips to make your home’s metal roofing last longer.
Installing a Metal Roof Over Shingles Creates a Waterproofing layer
One advantage of installing a metal roof over shingles is the added protection it provides. The underlayment will help prevent the metal from soaking up water. Besides providing additional protection, it also prevents a metal roof from being exposed to extreme heat and cold. However, you should be aware of the local building codes. Listed below are a few things you should consider when installing a metal roof over shingles.
The first thing you should do is determine whether your current roof can be covered with a metal roof. Roofing contractors will typically offer free estimates and check the current condition of your home’s roof to make sure it meets all local codes and requirements. While it may not be possible to install a metal roof over an existing shingled roof, it will give your house an extra layer of protection.
Installing Metal Roofing Over Shingles Creates a Win-Win Situation
Metal roofing over shingles is a common roofing option. Compared to asphalt shingles, metal is more durable and will provide the most lasting protection over the long run. When installing metal over shingles, it is important to remember that the plywood underneath the shingles must be in good condition. If the plywood is rotten or has any signs of corrosion, it should be replaced before installing the metal roof. Although it may be tempting to install metal roofing directly over shingles, you should first get approval from the building department in your area. While some may object to the idea, many will not. First, it saves you money, as you don’t have to tear down the existing shingle roof. Second, it creates a waterproofing layer on the top of the new roof. Check it out here
Installing a Metal Roof Over Shingles Creates a Risk of Corrosion
While metal roofing is a durable option for your home, it’s also important to understand the risks of installing it over shingles. Wood can accelerate the corrosion process and reduce the effectiveness of a metal roof. Copper, for example, will reduce the capabilities of a metal roof by contributing to corrosion. This article from Metal Construction News will help you understand how the two processes interact to create potential risk. One of the most common problems with metal roofs is leaks. While water can cause leaks in the roof, they are often hard to detect. Other problems can arise during the installation process or afterward. If these problems aren’t addressed, they can lead to a void warranty. Also, improper installation may damage your roof and damage your home’s interior. If you’re not sure how to prevent leaks and corrosion, contact a roofing contractor for advice. Home Page