Summary 1 unjoin the roof 2 create a reference plane 1 away from the edge of the second roof 3 edit the footprint of the unjoined roof.
Roof cricket revit.
From flat roofs to fun free form roofs and everything in between hip gable mansard dutch hip combination and gambrel.
It will place in the new construction phase 5 edit the footprint of the new roof.
Adding a second roof is the easiest for simple conditions typical flat roof at a parapet for example but when you have to add a cricket at the point where a roof with a slight curve to it meets another sloped roof and a vertical face you re gonna have to be pretty good at the maths if you want to try and get a second roof placed correctly.
For more tips tricks and tutorials on all things revit and bim.
Draw a top down triangular foorprint of your roof.
Align one edge of the roof to the reference plane 4 copy the roof paste it in the same place.
Once you click it this will give you a grip at each corner of your triangular roof which you can modify the elevation of.
Eric wing dives into flat roofs first showing how to pitch insulation to roof drains add crickets and warp roofs to fit sloped framing.