Volumetric spotlight glitching through curve?

[Hunkadoodle]

Good evening, @Jeremy_Weed! This may have something to do with the issue discussed here:

Why spot light coming throught the mesh

@atekdigital, I took a look at the project I was having this issue with, and I may have come up with something that might help you - depending on the needs of your scene. By default, I think the Volumetrics Start value is .1m and its End value is set at 100m. My guess is that the samples used for volumetrics are also distributed throughout that Start and End value range to give you your final image. Now, for my project, I didn’t need my volumetrics to be distributed from .1m to 100m. I only …

If that doesn’t fix it for you, let us know and give us a little more info about your scene, version of Blender, what you’ve already tried to do to fix it, etc. Those details are all great clues we need to solve this mystery!