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.
Metal roof over shingles.
Here are some pros and cons.
Both metal and shingle roofs are great options for your next roofing project.
Yes you can install a metal roof over shingles.
Ideally a metal tile shake or shingle roof should only be installed over one or at most two layers of existing roofing and providing that the existing roof framing and decking is in good condition.
Can metal roofs be installed over shingles.
Is metal more expensive than asphalt to install on a roof.
Can you avoid tearing off your old asphalt shingle roof by putting a steel roof over it.
After all you ll be making a significant and long term investment.
Installing metal roofing over shingles is the best solution.
A good way to determine good condition is to walk around on the roof you re considering covering to look for soft spots or evidence of weak.
In terms of performance many homeowners choose a steel roof making it the most popular option when it comes to creating a metal roof over existing shingles.
Things to know about metal over shingle roof problems.
Asphalt shingles can weigh up to four pounds per square foot depending on the brand.
However there are expensive architectural shingles that cost more than lower cost metals like aluminum.
If you re considering getting a metal roof you may be wondering if you can install it over shingles.
Covering your existing asphalt shingles with metal roofing might be worth the expense.
If you don t want to take our word for it check with your local building department.
In most cases metal roofing and installation is more expensive than asphalt.
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.
Otherwise you will need to remove the shingles.
Can you add metal roofing over shingles.
Need a new roof.
A metal roof is an alternative to a shingle covered roof but a metal roof can actually be installed over shingles.
However you should only install a metal roof over shingles if you have less than four layers of shingles on the roof.
In some areas building officials only allow a re roof over one layer of shingles.
As long as the plywood under the shingle roof is in good condition this way can provide many benefits.
Most codes now allow no more than two layers of roofing before.
This is by far the most common way to install a metal roof.
If you are trying to decide between the two materials it s important to carefully look at the metal over shingle roof problems.