Forums >> Community >> Newbies >> *New to Revit* - How to 3D model weather barriers?

poppaburr

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I have been using autodesk products for over ten years so I'm familiar with the interfaces. My company just upgraded to Revit and I started modeling all of my components without any big problems. We specialize in architectural wall panels. Well with that, comes the weather barriers and rigid insulation behind the panels. My question is how do you 3D model weather barriers? Do I draw it as a family? Or do I draw it in the physical building model? Any help is much appreciated!

Thanks!

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WWHub

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If it is inside of the wall definition, you don't model it.  It is a layer in the wall definition.  You detail the wall assembly in your wall types legend and details.

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poppaburr

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i was given the concrete model of the building. And then we were told that they want to see EVERYTHING in 3D which includes weather barriers, furring,flashing, rigid insulation, panels.. Now I know if you do a section cut through with most wall details they have everything drawn out and spaced accordingly. But how do I transition it to 3D? This building model is being modeled to almost 100% accuracy down to each rivet. I noticed that Revit will only extrude past 1/64" when weather barrier can be even smaller than that! Revit struggles...

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teafoe5

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"This building model is being modeled to almost 100% accuracy down to each rivet. I noticed that Revit will only extrude past 1/64" when weather barrier can be even smaller than that! Revit struggles..."  Have fun with that, if you are going to start modeling nuts and bolts your file size is going to get huge and most likely hard to navigate.  You would NEVER see a line printed at 1/64" so why would you need to go this small?  If you need to see all of you wall layers in 3D then your only option is to draw them all as separate layers or once you have the wall drawn you can use the Create Parts tool under the Modify tab (be careful because once you use the create parts you cannot put the wall back as one again.

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WWHub

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I don't think Revit struggles.... I think your bosses do.

You write: "we were told that they want to see EVERYTHING in 3D which includes weather barriers, furring,flashing, rigid insulation, panels...."   Typically this is not done in Revit or any BIM program.  If it were done, your computer could not handle it unless maybe is was just a house. 

Think about this.  How would you model a concrete block wall.   WE have had people in here that think you model every block.  That's just downright crazy.  The wall is modeled as an assembly.  In this cae, it is one layer of concrete block.  The assembly output in BIM is x" masonry wall of y length and z height and xxx sf.  All of the required BIM information is there and the wall looks like a block wall in elevation/3d, section and plan.  When you do a plan or section detail, then you might add detail components to see the individual block but you sure don't model them.

Now sometimes we need to show cutaways / assemblies of walls / floor / roofs that will show each layer.  You can do that but you don't typically do it for the whole project.  Just a detail view.  This maybe what your bosses are looking for.

PARTS:http://www.youtube.com/watch?v=NO67r1K8ORQ

Assemblies:http://www.youtube.com/watch?v=L1Wy6943nwE

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