3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.
How to put on metal roof over shingles.
This is by far the most common way to install a metal roof.
This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
We get asked this question all the time.
Otherwise you will need to remove the shingles.
Make sure roof is square.
Let s take a look at the most common types of metal roofs for houses.
Advantages of metal roofs in general.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
Codes vary so call your local building department to know how to install metal roofing over shingles properly code wise.
There s already plenty of advantages by choosing a metal roof and there s even more when you decide to put a metal roof over shingles.
Can i install a new metal roof over shingles.
A metal roof can be installed over a shingle roof but you ll need to make sure the plywood under your shingle roof is in good enough shape to handle a new metal roof over top.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
What s involved in how to install metal roofing.
Choosing to install a metal roof this way can save you some dough and garner all of the benefits of a metal roof in the humid climate of florida.
Yes you can and by doing so you save in the labor and hassle of tearing off the old roof and you won t be contributing to filling our landfills.
Anatomy of a steel roof.