broken part around windowsill case

Question

I do not know what the part is called but the brand name is Atrium. is there any way to replace that plastic part around the window?

User submitted a photo of their window lock.

Dave Sr. · Accepted Answer

Looks like it's the glazing bead that's broken. It's hard to tell what you have while it's still installed, as there's no way for me to make out the shape. You can start by looking at our 55-114, but that's just an educated guess. How does it match up to your own?