1 qt. should be plenty for your size boat. you just paint it on how to seal rivits on aluminum boat i use driveway sealer. how to seal rivits on aluminum boat. Gluvit can be overcoated with any marine paint or other coating i use this to seal my 12 foot aluminum boat for duck hunting gluvit sealer on aluminum. 1-16 of 95 results for "aluminum boat sealant" boats, aluminum radiators and many more boat painting supplies;.
Best aluminum paint and metal boat repair coating. aluthane aluminum paint / sealer works on plywood panels too!- above - side panels of mini tear-drop trailer.. Just curious why you don't seal the inside of the boat, just scuff sanding and paint, 2 and 3 coat applications aren't neccessary on most aluminum boats.. I had an old riveted aluminum boat. my boat had a rubber seal inside the keel piece that be aware that if has to be uv resistant or covered by paint or it.