Decided to try a “build-your-own” cover.
Parts:
4, 12” x 54” x 0.5” HDPE Boat Board, Marine Grade Plastic Sheets (BuyPlastic.com)
1, 6” x 54” x 0.5” HDPE Boat Board, Marine Grade Plastic Sheets (BuyPlastic.com); note:: had them rip one 12” board into a 6” board
9, 1/2 x 48” aluminum rim...