Directions To Install Metal Roofing Over Asphalt Shingles


When it comes to redoing roofs, you will find that there are not a lot of people who know that they can install metal roofing over asphalt shingles. The fact is that it is the easiest way to lay a roof, because you do not need to tear up your old one. However, there are a few steps that you will have to follow in order to install metal roofing over asphalt shingles correctly.

Most of the time, you will find that there are directions that you need to follow to install a roof. There are obviously things that you need to do, but if you are going to install metal roofing, you will find that you can eliminate a few of the steps needed to install a roof from scratch.

Before you get started with your project, you will need to decide if you are going to do it yourself or if you are going to hire a crew to do it for you. The obvious reason for doing it yourself is that it is cheaper, but there is more work involved and there is also the question of time.

So you have already decided to install the metal roofing, and that you are going to do it over your existing asphalt shingles. You have to know that you cannot simple lay down the metal; you have to follow the directions below.

In order to get to the point where you install metal roofing over asphalt shingles you need to make sure that your existing roof is clean. There is no way that you can lay new roofing over dirty tiles, because you use glue, and glue and dirt do not go together. The other thing that you need to do is to check if you have any type of corrosion or mold on your existing roof, if you do you need to remove it.

Something that you need to remember is that you will need to install an underlayment. This will act as a barrier between your shingles and the metal sheets you are going to lay – remember that you can also use metal shingles instead of the lengthy sheets of metal that were used in the past.

Before you start your project you need to find out if you need to get a permit to work on your roof and what the specifications are when it comes to laying one roof type on top of another. In most states you will find that you are allowed to lay at least two roofs over each other.

You will find however, that you can install metal roofing over asphalt shingles more than once. This is because the metal roofs are not as heavy as asphalt, but it is always a good idea to research the laws in your area and the specification of the manufacturer of your metal shingles and sheets.