Roof problem when exported to 3dsmax

[damob23]

Any one have any idea why their appears to be no roof when i export my autocad file to 3ds max, someone said something bout closed polylines, the missing roof area is a polysolid? anyone any ideas.

[fuccaro]

Possible it is just invisible? Render with the Force Two Sided option checked.

[Cad64]

Could be a problem with your Autocad geometry. It's always a bit tricky when importing models from Autocad. If your geometry isn't clean, sometimes the poly faces will get flipped and sometimes parts of the model won't import at all.

If you can provide your Cad file, I'll take a look and see if I can determine what's wrong.