Interesting Roof Layout

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Hi all, 

I'm fairly new to Home Designer (Suite 2018), and am having trouble with the roof layout of my proposed house extension. 

Attached are some screenshots (from CAD) of what I'm trying to achieve. The red block is the existing house. The green and blue blocks are effectively one large room (we're calling it a 'pod'), which has a stepped roof. Both roof surfaces on this pod are sloped in one direction only, so I think I need to use the 'High Shed Wall' option to achieve this. The pod effectively butts into the corner of the existing house, and the internals will just be a large opening between the two structures. 


When trying to draw this in Home Designer, I'm getting stuck with knowing which wall types to use, so that I can build the correct roof shapes. 

Can anyone please advise how I should lay out the external walls, to facilitate correct building of the roof structures? I've also watched a few tutorials, and I'm starting to wonder whether I need to add a 2nd storey to achieve the raised section on the green roof. 


Thanks in advance, 





Screenshot 2021-01-24 094050.png

Screenshot 2021-01-24 094220.png

Screenshot 2021-01-24 094255.png

plan with falls.png

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*** I see you mentioned Suite ***



Answers often depend on which title (Suite, Pro etc) and version (2018, 2019 etc) you are using.


You can help everyone by adding that info to your signature (see below for how to turn them on) by clicking on your user name at the top right of the page, click Account Settings, then Signature on the left.


Doing so makes it always available, and keeps others from having to hunt for it.


And, turn on signature display too.






Resources for self help:


The built in Help System (always a good place to start)




Home Designer - Getting Started - Setting Preferences and Defaults
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4 minutes ago, hmcleay said:

Both roof surfaces on this pod are sloped in one direction only


It's not clear from your drawing if the roofs are shown sloped.


You might attach your plan file (close Suite first) for the best help.

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Hi Solver, 


Thanks for your quick response. 

I've updated my signature as per your suggestion. However, I think that relying on signature to specify the user's specific software product is troublesome, because in 10 years' time a user might update their signature to reflect their current software licenses, but then this also updates their signature on ALL their older posts. So the historical posts will lose the context of which software package they relate to. IMO, it's much more robust to state the package (and year) in body of a post. 


I've updated my OP to show the roof falls on the plan view. 

I don't actually have a meaningful Suite file that is worth sharing. Those attached images are from Solidworks CAD. At this stage, all I've managed to do in Suite is draw the main existing house, then attempt to draw the 'pod' intersecting with the main house, which then causes all the roof structure to go wrong. Hence reaching out to this forum to find out what the correct way to lay out the walls should be to facilitate 'tuning' the roof structure to my needs. 




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This is all auto roofs.



5 hours ago, hmcleay said:

so I think I need to use the 'High Shed Wall' option to achieve this.


You do. What have you tried?


And your blue roof plane probably will not work as shown as water will run down it into the existing house wall.

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I think I've started having some success. Getting used to how 'ceiling height' for a defined room will dictate the roof height. 

Attached is where I've got to now. 

Had some trouble with the corner 'opening'. The best I could achieve is a corner window, edited to make it look like a full height opening. 

The blue roof plane falls away from the house, so I can't see that as a problem. 

pod structure.plan

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