Fiberglass Finials Fiberglass Finials Little Giant offers easy to mount fiberglass finials ranging from 2’ tall to over 12’ tall. Our finials are available in our standard colors, but custom colors are available upon request. View our finials Our finials are the perfect fit totop off you existing cupola or dome. They are available with our lightning protection package to protect against a lightning strike. FS’s finials aremounted with all-thread for easy and quick installation.Contact us today about our fiberglass finials for a quick quote.