2. Clean the Hull and Plate
Use either acetone or MEK (methyl ethyl ketone) and a clean rag to scrub the area on the hull where the plate will be installed. Also scrub the back of the plate with either of these solvents. Then wait 10 minutes, and repeat the process. With acetone, which evaporates much faster than MEK, you'll need to work in smaller areas and dampen the rag often.