Elevation Changes when sent to Layout

Greetings All, Have an issue that I can't quite work around, wondering if anybody can help me undo whatever I'm wrongdoing... I'm sending elevations to a Layout page. I want shower glass to be transparent in the elevation, which it is. But that same glass, through which I can show tile and fixtures in elevation becomes opaque when sent to layout. I can preserve my transparent glass by switching to LIVE VIEW, however, I find plot ljne view far more predictable in what I

I also prefer plot lines, however there are NO transparent materials for the Vector View rendering style which is used for Plot lines. There are a couple of ways around this, but they are all work. You can model the shower glass to be on its own layer which you'll need turned OFF. You can then replace the glass with a CAD polyline with a solid-color transparent fill style to represent the glass. Depending on how your shower wall is define this may be a bit tricky. The example images show the abo