Section Box - Add fill to sliced geometry?

Sections in architecture tend to be filled, as that's the industry standard of representing "cuts" in a wall/floor.

Currently, the section tool will not achieve this - moreover, the way the section box works means that most of the materials need to be set as two-sided ones to accurately see the width of the geometry being sectioned.

Is there any way to achieve this? (or plans to implement )

Here's one quick photoshop of what I mean. Left: Current Right: Desired