Either a roof or a mesh works pretty nicely.
A roof is better if you want to set it to 1" per foot. The down side is that the roof juts down into your floor (unless you use SEOs to clip off the bottom),
The mesh is better if you have the two points already and want to draw it as a true wedge in section, but there's no way to control the slope within the mesh itself.
Confused?
😉
Tom Waltz