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Compass Marine How To | all galleries >> Welcome To >> Replacing Thru-Hulls and Seacocks > Exterior View of Installed Thru-Hull
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Exterior View of Installed Thru-Hull

Exterior View of Installed Thru-Hull

As you can see in this photo the silicon bronze bolt heads are countersunk and most of the excess Skiaflex sealant has been wiped away.

The next step is to fair over the bolt heads with 3M Marine Premium Filler to get a nice smooth hull with no visible bolts.

After the fairing step I also did a complete barrier coat of the area for added moisture protection using Interlux Interprotect 2000 series barrier coat. This step is not 100% necessary but I wanted to protect and prevent any water intrusion into the recessed bolt holes as I could and also protect the hull where I had sanded thin the original gel coat..

Nikon D70s
1/50s f/3.5 at 50.0mm full exif

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