I have a structural deck pitched at 1-/8" per foot. This no longer meets code for drainage so the new roof will be constructed with tapered insulation to give it a 1/4" or better per foot of drainage. The question is how do I model this in Revit, which only seems to allow variable thickness in roofs that are flat and cannot construct a roof that's pitched from both sides. Have any of you come across a trick to model this?
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You create two sloped roofs, one to define the main (framing) slope, the other define the cricket slope, then join geometry them together.
What do I do if the underlayment representing the tapered insulation ends up being thicker in parts than the thinnest parts of the roof? Joining them will create parts where the lower layer pokes through, like around drains and scuppers.
Ok, that works, but with issues, such as the top layer becomes solid through the full depth of the roof in section. I have to flesh out the taper layers in detail components anyway so it doesn't matter. Thanks.
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