Metal Roofing Over Shingles Pros And Cons

Metal roofs are durable and long lasting.

Metal roofing over shingles pros and cons.

Disadvantages of metal roofs. If the right site conditions exist and an installer is comfortable with the job then installing a metal metal roof over an existing roof is not only environmentally superior saves more debris from our landfills but it can save money and provide a job that will perform as well as any other type of installation for many many decades to come. Pros installing the metal roofing over 1x4 s allows the ability to also install additional insulation under the metal roof that can t be done the other two ways it provides a solid flat surface to attach the new metal roof to it creates an air gap between the back of the metal and the shingle roof which allows for airflow. Metal roofs such as aluminum or steel shingles can last for 50 years and often longer while copper and zinc roofs can often last well over 100 years.

Because there is less labor involved an overlay job takes far less time than a tear off job. At the top of the list of metal roofing pros the material s long lifespan is why most homeowners make the switch in either a re roofing or new. Here are some pros and cons. A full paint job or repainting is a significant endeavor and painting a metal roof costs between 1 100 and 3 700.

Covering your existing asphalt shingles with metal roofing might be worth the expense. This means that a typical metal roof will last about 3 7 times longer than a typical asphalt shingles roof which usually needs to replaced every 12 17 years. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. Professionally coating a metal roof costs 1 2 per square foot.

Advantages of metal roofs over shingles. You ll be surprised to learn that the primary cause of rusting and corrosion is water. This is ideal if you need a new roof as soon as possible or if your budget cannot quite support the additional cost of lodging during installation. Read about installing a metal roof over old shingles both pros and cons.

Need a new roof. Below are some of the most common cons of a metal paneled roof. By placing metal roofing over shingles you can save in the labor costs of ripping them off while also preventing them from being thrown into landfills. As you probably know a metal roof is a major initial investment so knowing some of the drawbacks of this roofing material is important.

Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it. When unpainted or uncoated it is vulnerable to rust and corrosion.