What is Rooftop Overhead?
Rooftop is a true overhead weld joint that is a great way to practice your overhead 7018 stick welding in preparation for a 4g overhead plate test.
At the bottom of this page is a video on the 4g overhead plate test that is often taken along with a 3g vertical test with 7018 stick rod.
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A common test for shipyards, job shops, and structural welding is a 4g plate test.
A 4g is test frequently given along with a 3g plate test.
Both 3g and 4g videos are shown below in case you have to take one of these tests
