Pros And Cons Of Metal Roof Installed Over Shingles

A galvanized steel metal roof is highly susceptible to corrosion and rust over a period of time.

Pros and cons of metal roof installed over shingles.

Below are some of the most common cons of a metal paneled roof. Material cost per 100 sq. 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. A metal roof can withstand the elements for far longer than an asphalt roof.

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. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. Installing a metal roof during the initial construction of your home isn t much different than installing shingles. What to consider when putting a steel roof over asphalt shingles.

Well metal roofs are proven to last two to three times longer than asphalt with 50 to 60 years lifespan for high end metal roofs such as field locked standing seam and aluminum shingles. Metal roofs over shingles will also provide an extra layer covering your home helping to further insulate it. When unpainted or uncoated it is vulnerable to rust and corrosion. A roof made of zinc or copper can last well over 100 years.

In fact roof decking is placed on the structure to give it more rigidity. Because there is less labor involved an overlay job takes far less time than a tear off job. As you probably know a metal roof is a major initial investment so knowing some of the drawbacks of this roofing material is important. 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.

200 to 350 labor cost per 100 sq. Disadvantages of metal roofs. Pros and cons for metal roofing installation. Fastest and cheapest way to install a metal roof.

Well that s why the metal roof is such like an eco friendly product because you don t have to get rid of all of that stuff to the landfills. Professionally coating a metal roof costs 1 2 per square foot. Metal roofs are durable and long lasting. Here are the pros and cons to installing the metal roofing right over the shingles.

But now that i said that i would tell you that if it was my house i probably would and the reason is i don t want to have all those old shingles under the roof. Might miss replacing rotten pieces of plywood unless care is taken in doing a complete inspection of the entire roof.