What is the best fireproof-fire resistant material to use to line and soundproof an engine cover for an inboard engine? The previous cover had a yellow foam substance about 1 inch thick.
Thanks in advance for your advice.
My son and I are completely restoring a 1980 Four Winns 17' Horizon 170 for another son who is deployed overseas. The hull drain plug (Garboard Plug) on this boat is missing. The drain hole is a smooth metal sleeve with no threads. We are trying to determine what was/is used as a plug for...