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Forums >> Revit Building >> Technical Support >> Irregular roof
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Joined: Mon, Mar 6, 2006
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I'm having a difficult time with this roof/roofs. I've attached a roof plan and south elevation of the building and the revit file. I've tried manipulating the roof and tried to create masses (with solid/void extrusions/blends) I wasn't able to get the masses to join therefore not being able to attach a roof to their face. Any help or suggestions would be appreciated! Thanks! Matt
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here is the roof plan and south elevation
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well, i can try to help, but somethings wrong with your revit file. I got an error message when i tried opening it up. That is one heck of a roof design from what I see on the pdf. I'm not sure exactly what you're trying to do though. Is this going to stay open in the middle of the building? Or do all the roofs eventually meet up to a ridge? It looks like some of your fascia is not parallel with the building. Was this intentional? If you could elaborate a little more I could try to help the best I can. Have you tried the extrude roof command? Or maybe the solid blend on the modeling tab?
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I'm using revit 9.1 so that might be a reason why you can't open it. What version are you using? To answer your questions, yes the design calls for the roof to be open in the middle. The width of that building is 90' so that is why we are only doing roofs on each side. There are certain points that they meet up such as both ends of the building. Yes the fascia is intentionally pulled away from the building on the south and west sides of the building (up=north). The east and north elevations the fascia is parallel. I have tried both the solid extrusion and the blend, however I'm not getting what I want. I'll try to sketch these crazy roofs but if you could get just part of one of these roofs to work i could figure it out from there. Thanks for taking the time to try this! Anyone else's help would be great too!! Thanks in advance!
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Yep. 9.1 here. says something about attempting to open it past something or rather. Actually what I meant was roof>extrustion. You should be able to create a roof out in the middle of nowhere and adjust it to what you need.It looks like they are all flat planed, not twisted so they should eventually lead up to a point where you can join them. I would try a single shed roof at a time in extrusion or even in plan. I saw your post on AUGI. I'll try to download it from there and see if it works. If it does, I'll have a go at it.
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File from AUGI worked. OK, this is what I did. I just made a regular roof. Roof>by footprint. Used lines for the end of my fascia part. Then I used the opening command for all the zigzag lines on the ridge area. Looks like you have 5 separate roofs to make there. I also used the opening command for the end of the roof (fascia edge) to make it rake uphill like you show. Let me know if this helps.
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Thanks for the reply...i actually use this account name more than the other one. There are a few of the roofs that actually do twist and I did try doing a blend, but i need more of a blend+sweet that is the same command. If i had created each side of the building's roofs as one plane roof, could I then join them together? I tried what the person on AUGI suggested however I wasn't able to "finish roof". It was giving me an error message that said "can't make fooprint roof." I did try the same technique they were using but only did one slope arrow and created each plane separately. I've attached what I got. I do have that troublesome corner condition now. I am not able to join or cut these too planes together. Do you know how to solve this? I'm not sure why its not opening for you.
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your two roof planes don't match on the bottom (hopefully this is what you want to accomplish). from the plan view, your hip rafter will be a different angle. I'd go into the elevation view and match the edges of your roof tails first, then what you can do is edit the roof to extend past each other. you should be able to join geometry, then you can trim the roof lines back to where they belong. when I adjust my roof, i select the roof, hit edit, then adjust the lines. if you cant join geometry on the two, you will have a really hard time making the roof right.
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thanks, I'll have to try it that way. I'm also going to go back to using the massing tools and just create the planes that way and then attach roof to face.
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Can you post some pictures of what you've got going? That usually helps, plus it makes explaining much easier. Another reason for pictures and/or drawings is that when people search the threads later, they will understand how to solve the problem much more quickly. _______________ roofing contractors
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bracciali- This thread is over 4 years old...thanks for wanting to help but I think I resolved the problem. There are images and drawings attached as well. If you are knowledgable in creating roofs, please refer to my latest post about creating roof crickets. I have not resolved this problem and would greatly appreciate help. Thanks in advance!
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18103_ROOF_TEST.rvt
18104_ROOF_PLAN_AND_ELEVATION.pdf
