In some areas building officials only allow a re roof over one layer of shingles.
Is weight an issue installing metal roof over shingles.
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.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
This is by far the most common way to install a metal roof.
If you re considering getting a metal roof you may be wondering if you can install it 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.
Asphalt shingles can weigh up to four pounds per square foot depending on the brand.
Steel shingles weigh about 1 4 what asphalt shingles weigh and aluminum shingles weigh about 1 8 what standard shingles weigh.
The answer is yes.
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.
The low weight of metal roofing is one thing that encourages this.
Metal roofing weighs less than one pound per square foot.
One other consideration that is often overlooked is the weight of the metal roof in addition to the weight of the existing shingles.
The fasteners will likewise be doubled which can compromise roofing integrity.
After all you ll be making a significant and long term investment.
However there are some things that you will want to check out before doing it this way.
Can metal roofs be installed over shingles.
The vast majority of installations of the metal roofing systems produced by my company are over existing shingles.
Both metal and shingle roofs are great options for your next roofing project.
Things to know about metal over shingle roof problems.
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.
Home the metal roofing learning center metal roofing problems.
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.
However before you decide on reroofing with a metal roof you have to keep in mind that there are specific conditions that make reroofing with a metal roof safe.
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.
