Painting a Fiberglass Boat – A Simple Guide



When it comes to fiberglass, there’s good news and there’s
bad news. The good news: fiberglass is a strong material that’s ideal for boats
in many ways, helping you get decades of enjoyment out of a single boating purchase.
The bad news: fiberglass is so durable that it often outlives its own paint
job. That means you’re likely going to need to have your boat painted or
re-painted if you want it to continue looking its best throughout its lifetime.
Here are our tips painting a fiberglass boat.

Step One: Clear the
Way


Usually, the tips here recommend waxing your boat for more
protection on your boat’s hull. But when painting a fiberglass boat, that layer
of wax over the gel coat can get in the way of proper paint adherence. Using a
commercial solvent, you can remove the wax from your fiberglass and prepare it
for a proper paint job.


Consider purchasing our
Solvent &
Cleaner
for this step. This cleans out your boat’s surface if you have any
uncured polysulfide sealant, for example, and is safe to use on fiberglass.


Once you have the wax safely removed, you can use the
opportunity to repair any dings along the fiberglass with
Fix Repair Putty.
Smooth it out and give it ample time to cure—the putty can be painted over
easily. Keep in mind: you may have to use a power sander to fully smooth out
the putty before painting.

Step Two: Apply the
Primer


Getting paint to adhere to fiberglass for the long haul will
require priming. Once your area is safe, clean, and dry, apply the primer
(sometimes called a “tie coat”) over the gel coat. You can use either a brush
or a roller for this, but the goal is to have a thin, even coat of primer
everywhere on the fiberglass where you’ll end up painting.

Step Three: Paint


Finally, it’s time to paint. When painting a fiberglass boat
that is smaller, you should generally be able to handle this yourself. Keep in
mind, however, that many professionals will use multiple painters to ensure
proper coverage and a thin, even coat. Typically, the first painter will use a
roller to apply the paint while the second painter uses a tool such as a brush
to give the coat its proper finish. If you’re doing the painting yourself, keep
in mind that the goal is simple: a consistent coat.


Now comes one of the most difficult parts: waiting. Your
boat should be in a well-protected, dry area for the time being. 

Step Four: Wax

Only once your
new coat of paint is dry will you be able to apply a product like
Life Wax for its long-term
protection. After your wax is applied, your boat should be freshly
painted and protected from issues like the sun and debris.

Shop BoatLIFE Today

 
Browse the rest of
our dedicated
boat cleaning and
maintenance products
to find the essential materials to help keep your boat
looking great. That will leave you free to enjoy a healthy fiberglass
hull—painted in a vivid color—for years to come.  

Note: Always follow manufacturer’s instructions and always test on sealants for compatability prior to painting the whole boat.

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