I think you need check the variable box in the layer of the material you
want to slope.
For example: Tapered insulation on Metal Deck - The tapered insulation
will have variable checked while metal deck will be constant
sdbrown wrote:
> Yes, you use the same tool, but you edit the structure of the floor or roof assembly and click the variable box in the thickness parameter of the layers you want to have stay flat on the bottom.