It's important to know what you're doing when you try to hang a heavy object on your wall. It's easy for things to go horribly wrong if you don't know what you're doing; you could use a hook that's too flimsy to support the weight, or you could install the hook in a bad spot, causing the whole thing to rip a whole in the wall.
So, if you're thinking about hanging something heavy on your wall, you'll want to get some instruction before your begin. This article posted on bobvila.com called "What Would Bob Do? Hanging a Heavy Mirror" is a great place to get such instruction. Although the article is targeted at answering a couple of readers' specific questions, you'll learn some general principles too, if you click the link!
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