Can I fix my roof with your kit?

Hi Leo,

I found your website very helpful. I’d like to hear your advice on fixing my roof, which looks like this:

[img]https://i.imgur.com/5k9MfNi.jpg%5B/img]

https://i.imgur.com/5k9MfNi.jpg

As you can see there are some bubbles developed under the previous patch. As a new owner I don’t know how/when the previous owner patched there. The roof was made in 2007. My questions are:

1. Can I use your kit to fix this?
2. If so, what’s the best way to proceed? Should I put a bigger patch covering the whole area (maybe 10×10") including the old patch or should I peal off the old patch first? What about the bubble?
3. The location is at the edge of a two-story roof, so I’m a bit nervous. Is there any safety measure I should be aware of when working on this?

Thanks,

Le