Steel Roof Over Shingles Or Not

Common metal roof problems.

Steel roof over shingles or not. Put the steel down directly on a vapor barrier. Metal roof over shingles condensation metal roofs must be laid flat on a vapor barrier because steel will condensate if there s any air space underneath it. It doesn t matter if the air space is a half inch or six inches because the condensation factor will remain the same. One of the major advantages of metal roofing is that it is very lightweight.

No you do not have to tear off your shingle roof. Below are some of the most common cons of a metal paneled roof. However there are some things that you will want to check out before doing it this way. The low weight of metal roofing is one thing that encourages this.

This makes it a perfect material to be installed right on top of an existing shingle roof. Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh. Because they re largely made of recycled material and can be recycled again and again metal roofs are considered a more sustainable choice than asphalt shingles. You want to be sure that the roof and shingles are in suitable shape for the project.

The problem with this is that as the metal heats up and expands or cools down and contracts it moves a little on the roof. The answer is yes. One big advantage to metal roofing is that it is light weight which makes it the perfect material to be installed over an existing shingle roof. Installing metal roofing over shingles is the best solution.

The vast majority of installations of the metal roofing systems produced by my company are over existing shingles. You can usually install metal roofing over shingles because most types are lightweight thin and pliable. However it is best to consult with a professional as to your situation. The metal used for the roof can be tin copper aluminum or steel.

As you probably know a metal roof is a major initial investment so knowing some of the drawbacks of this roofing material is important. Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended.