Getting Your Von Duprin 99 Installation Instruction Right
If you've ever looked at a bare commercial door and felt a bit overwhelmed, you're likely hunting for a solid von duprin 99 installation instruction that actually makes sense without requiring a master's degree in engineering. The Von Duprin 99 is basically the gold standard for rim exit devices—it's a tank, it lasts forever, and it's on just about every school or hospital door in the country. But because it's such a heavy-duty piece of hardware, getting it onto the door correctly is the difference between a door that clicks shut perfectly and one that you have to kick to get open. ...