As the three-tab kind age, they are also susceptible at the gap where the tabs come together. This is the only location that does not have double-coverage. I've seen the gaps weakened all the way through to bare wood.Maybe you can do it, however it will not ensure you that you will Roof estimates fix it well, because you are worn out and you remain inrush to do it, to get some rest. So, in preparing to fix...