Repairing large holes in thick fiberglass

This was originally a 3-inch thru-hull in 2 inch thick fiberglass that has become obsolete. Subscribe for more sailing content! vandacrew.com --- Sailing Vessel | Vanda II 1966 | Hinckley Bermuda | 40 MK 1 --- Follow us on Instagram Instagram: @vandacrewsailing --- If you'd like to support the project: vandacrew.com Anything is appreciated! --- Thanks for watching!