It sounds like you are going to install the antenna yourself.
Rather than sending you off to look at generic install tutorials, a description of your house and the roof or wall on which you plan to mount on would help us offer specific suggestions for the type of hardware and techniques that would work best for you.
Yes, grounding is a good idea, it's usually just a few of the steps, no harder or complicated than the rest of a typical installation.
You can post photos if you think that will help us better understand your situation.
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