Hello, Revit has recently given a little more control over the layers within the wall assemblies, but I feel that there is more that can be done to better allow for elements such as continuity of a fire separation. Some ideas that might help are: Give wall assemblies a priority ranking and maybe a drop-down menu on how other wall types should interact with it. Example: Allowing walls with a lower fire-resistance rating(FRR) to terminate at the wall assembly rather than traditionally "joining" into the wall; allowing for walls with a greater FRR to overrule and essentially run right through the wall. Give more operable "wrapping" options/settings, perhaps at an instance level (right click on wall end) or maybe through a series of set conditions (such as open ended wall vs a T-intersection, and so on), for the finish/wrapping (non-core areas) of the finish layers. I know Revit already has the "Wrapping at Ends/Inserts" feature, however I find it inconsistant and provides next to no control. Create a modified/customized wall join function that blends the wall join tool with features similar to the Cut Profile tool. Have this be a 3D property that affects the entire height of the assembly. This would allow for custom wall interaction which is important when you have different wall types intersecting one another where you need certain spaces for materials and properties such as acoustic control and fire-resistance continuity. Also useful for non-typical angle joins, where you may not want a pointed end. Give an option for a wall to join with another wall without physically affecting the wall. Such cases arise where walls adjoin but then one wall is dragged over and out of its originally placing. Currently, I handle situations like this by Disallowing Join then aligning the walls as needed (especially needed when working with Curtain Wall). While I know most of the options have drafting work-arounds, it would be nice to be able to more simply model these with behavioral wall properties. By doing so, it could also allow Revit the possibility to better analyze wall functions such as fire-resistance continuity or even area/room floor-area counts.
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