How To Install Tin Roof Over Shingles

As long as the plywood under the shingle roof is in good condition this way can provide many benefits.

How to install tin roof over shingles.

This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. 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. However you ll want to check with your local building department before you make any decisions. 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.

Let s take a look at the most common types of metal roofs for houses. If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems. A steel roof is a lifetime investment lasting 50 years or more if it s a good one. 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.

Things to know about metal over shingle roof problems. See the full post here. How to install metal roofing over shingles. However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.

Make sure roof is square. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof. In contrast steel shingles are small panels installed in horizontal rows much like other shingles. In a standing seam roof long single panels run vertically all the way from the eave to the ridge.

Asphalt shingles can weigh up to four pounds per square foot depending on the brand. In some areas building officials only allow a re roof over one layer of shingles. Otherwise you will need to remove the shingles. After all you ll be making a significant and long term investment.

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. A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles. If you don t want to take our word for it check with your local building department. This is by far the most common way to install a metal roof.

Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Yes you can install a metal roof over shingles.