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Forums >> Revit Building >> Technical Support >> Multi Material Wall - One wall or separate and joined?
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Joined: Wed, May 6, 2009
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I'm using Revit Architecture 2010, our building has a fairly thick exterior wall, brick on exterior, cavity, insulation, 8 inch cmu, stud wall with GWB interior finish. We have a lot of different furring conditions and variations in the wall, and Im wondering if I should build this wall as one wall, or separate walls for each layer/material and then join them. Obviously the separate walls will take longer but it feels like I will get a much more accurate model doing it this way. Any advice? What are most people doing these days? What problems can I expect to run into if I do the multiple walls and join them? THANKS!
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Build the complete wall for each situation along the length of the wall rather than layers. The layer idea might work in some very unique projects but not usually. Thre may be some times where you will want to split furred walls out - like over existing conditions.
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In the office I work, it's a rule to work with separated walls, one for each material. Even our families (doors, windows) are made for this way of working, having "exterior" and "interior" layers thikness parameters.
It seems to be much easier, since, for example, when we have the facade of a residencial building (with many apartments per floor) with the same exterior material, but for the interior, we have many different ambients, as bathroons with ceramic, dormitories with white paint and so it goes. And also because of the different heights of many plaster ceilings, that, if we worked with stalked walls, for example, would take us hundreds of tiny walls for each segment.
Well, I would much like more comments about this issue.
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Barbara Ivo |
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It seems extremely cumbersome to draw every single layer of a wall as a separate wall. The first problem I can see is wall join confusion, and changes--in general--being extremely tedious. You could be super anal with scheduling, however, and get very accurate material calcs...
Here's a picture of one of the more complicated conditions on the exterior of my current project. I've fallen in love with curtain walls. What's nice about a curtain wall is that it moves as one object, and the panels that compose it are easilly controlled with grid lines. I am a HUGE fan of keeping things simplified. So once I know what a wall type is going to be -- I build a panel. There are then a hanful of varriations to that wall type throughout the project, but probably no more than three or so conditions.
So, in the attached pic there's only one curtain wall, and one basic 6" concrete wall. So two walls in the attached pic. And it could have jsut as easilly been one wall if I didn't need to host objects in the concrete.
This building is sort of a peculiar case, however. We're working with prefabricated panels -- if we had normal exterior walls, we would just use walls, most likely. But with a complete set of wall layers.
So basically, I try to keep the walls to as few objects as possible, and I'm happy to build parametric families as a first step because it saves so much time in the long run.
Edited on: Tue, Aug 30, 2011 at 5:21:06 PM
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Wow - I see no reason in most projects to do the wall layers as individual walls.......?????
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Now I'm not at the office, but tomorrow I'll prepare one or two images to exemplify the situations we have.
But, when beggining to work with revit, this issue was exhaustly discussed (I wasn't at the office team at the time), and even the consultants advised to work with separated layers.
It becamed even more incisive after a experience with the "solibri model checker" software, wich didn't work properly (as I was told, I didn't work with it yet) if the model was not made with separated wall materials.
But I'm eager to explain how our office works, since I keep on changing my mind everytime about this.
See you.
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Barbara Ivo |
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Well, I've heard of a couple firms that do this, but I think that the practice is getting a little outdated. If your firm decided to start doing this years ago, it might be time to discuss it again, seeing how revit has continued to improve over time.
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