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Old 02-28-2013, 08:27 PM
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EarmarkMarine EarmarkMarine is offline
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Join Date: Aug 2010
Boat: TBD
Location: Dallas, TX
Posts: 521
If it is a 1/16" or less gap for example, then 3M marine white silicone as a gasket sealer will do. If the gap is larger then use .25" or .50" thick white KingStarboard to make a contoured disc. KS, while impervious to the marine elements, is a soft material and easy to shape. Start with a wide and rounded file and then convert to a radiused sanding block by spray guing sandpaper to various diameter PVC tubes. A mixture of techniques, a few trips to Home Depot, a little elbow grease and plenty of patience.

Earmark Marine
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