From the course: Creating Construction Documents with Revit

Revisit wall concepts - Revit Tutorial

From the course: Creating Construction Documents with Revit

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Revisit wall concepts

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- [Instructor] Placing walls in their correct location is a core skill in Revit. Let's explore some more advanced concepts to expand the capabilities of walls. Let's start by creating a wall. To create a wall, we would start by going to the architecture tab, and clicking on the wall tool. However, if you want to do this with fewer mouse clicks, let's type WA on the keyboard, and that will start up the wall command for you. So much quicker and easier. Now, let's look at the options bar. This is where you're going to see a lot of options to be proactive, and control the wall as you created. This will also kick in retroactively after the wall has been created, and will allow you to alter and control the wall. Let's take a look at the options. You can control the height of the wall. That would be the top of the wall. You could create the wall by height, in which case, the wall would have its base on the host level or you could control it by depth, in which case the wall instead of coming up would go down towards a level below. You could set up the height of the wall to be unconnected or you could force the wall to go all the way up to level two, or you could constrain the top of the wall to level one, which would then need to be addressed in steps that I will describe going further. The location line. Now that's really important. By default, Revit sets the location line of the wall at the wall center line, which means that when I create this wall, I am clicking along the center. Watch what happens when I switch over to finish face exterior, in which case I am clicking along the exterior phase of the wall, or when I select the option for finish face interior. Here's something to keep in mind. That the options do create a wall by interior or exterior phase depend upon clicking from left to right to create the wall. Keeping the chain checkbox checked allows you to create multiple segments of the wall in one operation, and we click escape to exit this operation. When the chain box is unchecked, you will create walls as separate segments. Offset is interesting. I can tell Revit to create a wall exactly three feet away from a previous one. Clicking the radius checkbox will allow you to create a circular wall. And those circular walls will be created with specific radius values. Now let's take a look at how it is. The property's pallet helps us find more details about the wall. We click on the wall, look at the properties pallet. The base constraint. This shows us that the wall is constrained or it starts at a certain level. If the wall needs to be raised above the level, then we can set up a base offset. Let's take a look at this. I'm just going to cut a section through, and let me make another copy of this wall. Just for your information, I'm holding down control and dragging. To make a copy of the wall, let me go to the view, and now I have got this wall. It has a base constraint at level one. Watch what happens, when I change the base offset to zero. So editing the base offset helps to raise the wall above a level. Then what about the top of the wall? Let's look at the top constraint. By default, Revit sets up walls with an unconnected top constraint. I can set this to go up to level two. Now the wall has been forced to have its top at level two. If I need to raise the top of the wall, I can set up a top offset. Now let's take a look at a property, an important property of walls, which is to be room bounding. I have got this enclosure. When I look at each of these walls I see that they are room bounding. Watch what happens When I place a room. I go into architecture and room, and I have placed a room in here. The room has been placed because all of the enclosing walls are room bounding. They're creating a boundary. Watch what happens when I tell just one wall to not be room bounding. I get this warning, I'm going to hit okay and I apply. Now, when I highlight the room, I now see that it does not conform to the boundary of the walls, but if I take this wall, and I tell it to be room bounding again, then the room behaves correctly again. Something else that can make the room boundaries go haywire. That would be if the bottom of the wall is above the hosting level. So I take this, I change the base offset of this wall. (machine chimes) Once again, we get the Revit warning. And when I tab click to select the room, I see that the room no longer follows the boundary. This would be useful in a situation, let's say, where we have spaces where we need to show rooms on the floor plan, but maybe in the room schedule where we need them to schedule as a single room. So if I take this wall and I split it over here, and then I take the remaining wall, and I tell it to not be rebounding, and I apply, Revit will give me a warning. I'm going to delete the rooms. And now when I tab-click to select this room, you can see that all three enclosures show up as a single room.

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