30!
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8.3.2. STAINS, SCRATCHES AND ABRASION
To remove stains use a mild detergent and fresh water. In case of
persistent stains use 95% proof alcohol.
In order to avoid the top gelcoat layers to change colour clean the
surfaces regularly. Such stains can only be removed using a medium
grade-rubbing compound. If this is ineffective, gently rub the area with
wet 800 to 1200-grade paper (used with water) until the mark disappears.
A cleaning agent with fine abrasives can also be used to remove stains
and minor scratches. After the stain has been removed, apply a wax
polish.
Rubbing with abrasive compound and materials removes
the gelcoat. As the gelcoat is applied in a thin layer, great
care should be taken.
DO NOT use organic solvents other than alcohol. They can
cause permanent damage to the gelcoat and discoloration.
Gelcoat that is used as the exterior layer on your boat is very hard and
resistant to shocks and scratching. However, it is practically impossible to
avoid scratches when the boat is used. Minor scratches can be removed
by sanding and polishing the same way you do with stains. Probably it will
be impossible to remove them completely but they will be less visible. Any
scratches reaching to the fiberglass layer need to be repaired by applying
gelcoat or another putty. For mayor scratches which go deep into the
laminate we recommend you to have them repaired by a professional.
In case of a crack or possible delamination,
immediately consult an expert on laminates or
contact the boat builder or our official
representative.
8.4. MAST, SAILS AND RIGGING
The standing rigging on your sailing yacht should be inspected regularly to
ensure safe and trouble-free sailing. New rigging will often form a thin
layer of rust, especially at the terminal ends. This is caused by impurities
surfacing when the wire is cold-worked during manufacture. The oxidation
should stop after a certain period of time, and when it does, remove the
stain with a non-chlorinated cleaner or a stainless steel polish.
Rinse the turnbuckles and grease them lightly each season. Inspect the
mast parts as well. Make sure that the furling system rotates easily. Wash
away the salt, and then lubricate the bearings.
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