Caulking Boat Seams – Tips & Recommendations

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Caulking and sealing are two of the most vital things any
handy person can learn. When it comes to a vehicle that moves on water, it’s
even more important. A proper caulking job will keep a boat well-protected and
sealed, which in turn means more life for your investment. A proper caulking
job will mean your boat looks better,
too. That’s why we’ve put together a few of our favorite tips and
recommendations for caulking boat seams the right way.

Clear Out Old Caulk
The Proper Way

When caulking a boat seam, you don’t want to simply put a
new layer of caulk on the old layer. You want a proper seal, which means removing the old caulk first. Boating
Magazine
recommends using a reefing tool or a reefing hook to get rid of
the old caulk. This frees up the space for new adhesion, which in turn means a
better overall application. It might seem like an extra step, but in the
long-run, it will be much better for your boat.

Remove Sealant Too

The same logic applies for any sealant. We sell a variety of
boat solvents and
removers
for this exact purpose. You want the surface you’re working with
to be clear and clean before you start, because that will ensure the smoothest,
most consistent caulking possible. Using a solvent to get rid of old sealant is
one of the easiest steps of the process—provided you buy the right kind of
sealant. Release
Adhesive & Sealant Remover
, for example, includes an easy applicator
and can handle sealant on glass, wood, metal, and fiberglass.

Find The Right
Balance Of Application & Movement

The actual process of caulking boat seams can be a bit like
a dance. You don’t want to go too fast, or else you’ll leave too little caulk.
You don’t want to go too slowly, or you’ll leave too much. The importance here
is to get a feel for how quickly the caulk flows out, which is why it’s good to
test on another surface (which you don’t mind caulking) beforehand. This will
give you a sense of the caulking speed, which in turn teaches you the right way
to apply. Do your best to remain smooth and consistent at this stage.

Don’t Forget The
Primer

Life-Calk
Primer
is a must-have on oily woods and metal, so make sure you don’t
forget this step. Keep in mind that this is designed to work best with
polysulfide sealants, so make sure you always check out the sealant type before
you start the whole process. Too many boat owners go wrong by simply buying the
right category of products, but
forget about looking at the materials themselves.

Buy High Quality
Marine Caulks & Sealants

One final tip on caulking boat seams: make sure you use the boat caulks and sealants
specific to your material and boating needs. This means you shouldn’t simply
find any caulk you can grab and apply it to your boat. Do a little research,
understand your materials, and your boat’s caulking will be vastly improved. 

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