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.
Is weight an issue installing metal roof over shingles.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.
However there are some things that you will want to check out before doing it this way.
The fasteners will likewise be doubled which can compromise roofing integrity.
In some areas building officials only allow a re roof over one layer of shingles.
7 common issues that could affect a metal roof knowing about the problems that could occur on a metal roof system will help prevent issues from the very start resulting in less time and money necessary for repairs.
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.
Things to know about metal over shingle roof problems.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
One other consideration that is often overlooked is the weight of the metal roof in addition to the weight of the existing shingles.
Metal roofing weighs less than one pound per square foot.
Can metal roofs be installed over shingles.
If there are problems with the existing shingles such as buckling it can cause additional problems if you install the metal roofing directly over them.
The low weight of metal roofing is one thing that encourages this.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
Yes you can install a metal roof over shingles.
If you re considering getting a metal roof you may be wondering if you can install it over shingles.
Both metal and shingle roofs are great options for your next roofing project.
Home the metal roofing learning center metal roofing problems.
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.
The answer is yes.
After all you ll be making a significant and long term investment.
Some roofing contractors recommend reroofing with standing seam metal because the total roof weight is but a fraction of a standard asphalt shingle roof which helps preserve the roofing integrity.
We re going to answer that question in this blog so keep reading or give our legacy service team a call at 215 798 9790.
