Adding a Roof Screen on Top: Designing a Roof Structure for Water Flow and Aesthetics

Designing a Roof Screen for Aesthetic Appeal and Water Flow Optimization

Discover the process of adding a roof screen to your project with the help of generic eight-inch wall types and the rectangle tool. Learn how to set the correct base constraints, make necessary adjustments, and ensure that your roof screen is properly positioned above the roof for optimal water flow.

Key Insights

  • The article illustrates how to add a roof screen to a project by using an eight-inch generic wall type and the rectangle tool. The base constraint is set to be the top of the parapet, with an offset of two feet.
  • Adjustments might be needed for the roof screen to fit properly. It is suggested to view the project in 3D and in section to identify the correct elevation. The screen needs to be positioned above the roof to allow water to flow freely.
  • After making the necessary changes, it is essential to save the project and prepare it for the next stages of work, such as putting together the sheets for a midterm print.

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The last thing I want to do on the roof here is I want to go in and add a roof screen on the top. So I'm going to jump back to our roof plan and I'm going to draw it in. I'm going to delete that section real quick.

So it's out of the way so we can see, but I'm going to draw in a roof screen kind of down the middle here. And I'm going to do that with our generic eight-inch wall until we start establishing those wall types here. And then I'll find that generic eight-inch there.

And I'm going to use the rectangle tool and I'm going to go with Finished Face Exterior, and I want to set this offset to two feet so that it'll just draw two feet away from where I'm drawing here. I'm going to set my base constraint to be top of parapet and I'll go minus two, and then I want it to be a six-foot wall. If I've got two feet right now, then I'll go ahead and add four feet to that, so it's a total of six feet.

And then I'll just draw from this point to this point. And now I've got the wall sitting in there. And then if we look at it in 3D, you can see we've got kind of a roof screen that goes across.

Now you may be looking at it and thinking that's kind of crazy looking. And it certainly is because what's happening here is the roof is undulating up and down around it, and we're not completely seeing that structure. So what we could do here is we can actually go in and we can do one of two things.

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We can attach it to the roof, which I don't think we want to do, because we want to make sure the roof screen is kind of floating above. And so the best way to identify our elevation that's needed for this roof is to make sure that we look at it in section and see where that needs to be.

And so if the screen needs to be up closer to the top of parapet, then that's what we'll do. So I'll take this and if I hit TAB and select that chain, I can get the walls there and I'd rather do it from 3D just to make sure I get all of them. But if I change this to negative one instead of negative two, that should bring us so that we're above the roof because we want the water to flow freely through these points.

But it also gives us the screen element. And so we do have to go back in and change our top offset so that we have the right height, but everything seems to work out a little bit better there with those settings. And so I'll go ahead and save.

And then the next video, we're going to start putting our sheets together so we can get it ready for our midterm print.

photo of Michael Wilson

Michael Wilson

Revit Instructor

Bachelor of Architecture, Registered Architect

Mike is recognized by Autodesk as one of North America’s leading Revit Certified Instructors. He has significant experience integrating Revit, 3ds Max, and Rhino and uses Revit Architecture on medium and large-scale bio and nano-tech projects. Mike has been an integral member of the VDCI team for over 15 years, offering his hard-charging, “get it done right” approach and close attention to detail. In his spare time, Mike enjoys spending time outdoors with his wife, children, and dog.

  • Autodesk Certified Instructor (ACI GOLD – 1 of 20 Awarded Globally)
  • Autodesk Certified AutoCAD Professional
  • Autodesk Certified Revit Professional
  • Revit
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