Avoid working in direct sunlight. This dries out the
wax or compound, and can stain the surface.
use either denatured or rubbing alcohol. If this does
not work, consult your Four Winns dealer for profes-
Use clean pads or cloths to apply a thin coating
of wax or rubbing compound to a small area such
as three feet by three feet. Remove any excess,
and then rub the area with a bufﬁng pad, or
power buffer. Apply pressure only as necessary
to restore the surface ﬁnish. Applying too much
pressure or bufﬁng in one place too long can
permanently damage the surface.
DO NOT use acetone, ketone, or other
solvents to remove stains. These chemicals
are ﬂammable and may damage the gel coat.
P - 5 FIBERGLASS REPAIRS
After applying compound, always follow with
Fiberglass is one of the most durable, strong, and
forgiving construction materials aﬂoat. It is resil ient
and normal repairs can be made without affecting the
strength or structural integrity of the boat.
If using a power buffer, use a low RPM buffer
with light pressure. Keep the pad wet and
the buffer moving at all times to prevent heat
Striking docks, other boats, or submerged
objects could create a very hazardous situation
or severely damage the ﬁberglass. In the event
an object is struck below or near the waterline,
proceed directly and cautiously to the nearest
service facility and remove the boat from the
water. Closely inspect the hull for damage. If
the outer ﬁberglass laminate was penetrated,
repairs must be made prior to relaunch.
When sanding, DO NOT use a power or belt
sander to prevent gouges, uneven areas, or
other damage. For best results, block sand the
Occasionally, blisters, crazing, scratches, or damage
to the ﬁberglass can occur. Repairs may be necessary
to correct the problem.
Stains can appear anywhere on the exterior of the
boat and may be a result of contact with tar, plant sap,
leaves, rust from metal ﬁttings, and other materials.
Surface stains may be removed with hand dishwash-
ing soap, mild cleansers, or some household deter-
gents. DO NOT use chlorine or ammonia products.
These products can affect the color of gel coat.
Commercial car washes use strong cleaners and
should be avoided.
Scratches occur during normal use. Below is a step by
step procedure to repair scratches.
Clean area with soap and water.
To remove stains, refer to the procedures below.
Apply a ﬁne rubbing compound and buff.
Wash area with hand dishwashing soap.
Wax. If this does not work, clean the area and
sand lightly with 400 to 600 wet or dry sandpaper
and follow with rubbing compound and wax.
Begin with a small area such as three feet by three
feet and apply a mild cleanser.
B. Gouges & Cracks
Rinse with clean water.
Stress cracks and crazing are the appearance of
hairline cracks in the gel coat surface. When present,
these problems usually occur in the gel coat ﬁnish or
the outer “skin coat” ﬁberglass laminate. The appear-
ance of these cracks does not pose a threat to the
Follow with compound and waxing as outlined in
If the stain is not removed by the hand dishwashing
soap or mild cleanser, then the next procedure is to
Fiberglass and Hull - Section P
Owner’s Manual Page 107
|Categories||Four Winns F-Series Manuals, Four Winns Manuals|
|Tags||Four Winns F|
|Document Type||Owner's Manual|
|Product Brand||Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx|
|Document File Type|
|Wikipedia's Page||Outboard Marine Corporation|
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