Forums >> Revit Building >> Technical Support >> Advice on wall linings

archie456

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Joined: Mon, May 17, 2010
181 Posts

Hi,

I'd like some pointers on the best way of doing wall linings - where a wall is boxed out around some services to to make it wider locally to match a feature.

The main wall is brickwork, cavity with blockwork and plasterboard. The lining would be plaster on a metal framing system.

Obviously in real live, the plasterboard to the blockwork would not be built where the wall is lined.

So to do this in Revit, I've tried the following:

Create a new wall called lining - which I place adjacent to the main wall - I then use the join command to join the walls - this works OK, but the linings vary in thickness and so I end up creating many 'lining' wall types. A disadvantage of this is that the plasterboard behind the boxing cannot be omitted and so visually in plan this doesn't look so good.

I've not tried this, but I've considered some sort of lining family which is adjustable to the lining width and maybe even deletes the plaster from the main wall with a void form - though I'm slightly unsure how to build this.

So, whats the way you do this? Is there a good way of handling linings in Revit?

Thanks.

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WWHub

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Joined: Tue, May 16, 2006
13079 Posts

You could make an instance based, parametric, wall-based family for this that includes a void to cut the layers of wall that is in this area. 

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Beaucoupnice

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Joined: Mon, Nov 19, 2007
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My approach to walls is that for every different wall type you need onsite for construction, your model should have the same. This way each wall type can be individually parametrically numbered e.g. WT01 and you can tag any wall in any plan, section, elevation detail. You will then be able to prduce a legend with each wall type within it. Using a brief description of the wall in its name will allow you to create a schedule of all project walls. Following this format. If you have 2 different types of wall type used as boxing around a particular service zone or column then you want to clearly identify that wall type to the builder.Construction is complicated and to have complete control over what happens onsite, you need to be completely thorough in the level of detail you include in your model. You could take shortcuts but then design gets transferred to the person insite and they won't be thinking of making it pretty, then will be looking at the easiest and quickest way to get the job done.

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__________I'm the guy they come to when they didn't follow my recommended workflows.__________

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archie456

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Joined: Mon, May 17, 2010
181 Posts

Thanks for your response.

@Beaucoupnice - this is the approach I generally take, but sometimes with complicated buildings we end up will loads of wall types which becomes difficult to manage effectively.

I read on the internet that some people model the external walls as one type, but model the inner lining of the external wall as another wall type - that way the lining can go around anything - obviously it makes openings in walls more complicated though...

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Beaucoupnice

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Joined: Mon, Nov 19, 2007
93 Posts

Yes I was asked to do that on one job recently. It was pain to do because every window/door opening will only create an opening in one of the walls. To make the door/window opening automatically cut through both walls, you had to use the join command and join the inner wall to the outer wall. This was very laboursome and in my opinion overly detailed. Quite often the junctions would get quite complicated and this would cause join issues or warning errors or the door/window openings would just fail to cut the opening in the wall and would be hidden inside the wall. MY attitude is to use a single wall that has the full layer buildup from inner to outer face and let it fly through columns etc. Drawings that are issued at 1:100/1:200 scales are too small to show in detail that the wall does not stop / start correctly. Then I create callouts from the 1:50 plans to separate A3 plan detail sheets and I explain in 1:10/1:5 ( small scale ) how each junction works. The callout plan detail is a hybrid detail (comnination of 3D & 2D content . It uses the 3D model as a background and I then use the cut profile tool ( View/Graphics) to trim the various layers of the wall buldups back to where they need to stop/start. You will of course need to use masking/fill regions/detail lines to get the detail looking good.

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__________I'm the guy they come to when they didn't follow my recommended workflows.__________

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