Replacing Keel Window

Jun 25, 2019
1
San Juan 21 Ohio and Kentucky
I recently replaced the keel cable and winch on a 21 San Juan. When I purchased it the window was open and left exposed. Does anyone have experience in repairing this? Hoping to get recommendations of how to properly seal it and what thickness of plexiglass, ect to use. This first time sailboat owner could use the advice! Thanks in advance, cant wait to finish this up and get onto the water. ( local lake)
 

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