How To Install Tin Roof Over Shingles

Things to know about metal over shingle roof problems.

How to install tin roof over shingles.

Let s take a look at the most common types of metal roofs for houses. In some areas building officials only allow a re roof over one layer of shingles. Make sure roof is square. Asphalt shingles can weigh up to four pounds per square foot depending on the brand.

How to install metal roofing over shingles. Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available. Venting the eaves to vent the roof holes are cut in the old roof above the soffit which pulls air through the soffit vents underneath. However you ll want to check with your local building department before you make any decisions.

A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. See the full post here. Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. Other areas will allow you to re roof over two layers.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. 3 install 1 4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1 4 purlins over the shingle roof.

After all you ll be making a significant and long term investment. Otherwise you will need to remove the shingles. Yes you can install a metal roof over shingles. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. If you don t want to take our word for it check with your local building department. As long as the plywood under the shingle roof is in good condition this way can provide many benefits. In contrast steel shingles are small panels installed in horizontal rows much like other shingles.

However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof. A steel roof is a lifetime investment lasting 50 years or more if it s a good one.