Columbia Coronado 25, Owenrs Manual

Page: 86 / 115

SECTION 6
Page 6
6.2 BASIC PROCEDURES FOR REPAIRING
SURFACE DAMAGE
6.2.1 Introduction
The purpose of this chapter is to give you the. basic procedures
for making surface repairs to gel-coated fiber glass products or
parts.
IMPORTANT: To determine how to repair a particular type of
surface damage refer first to the appropriate
section.
Surface repairs to fiber glass products or parts consist of restoring the
gloss, removing scratches, and repairing air bubbles, nicks and small
holes, gelcoat crazing, and gel coat wrinkling. The basic procedures
described in this section generally apply to all of the above repairs,
except restoring the gloss.
A. Tools and Materials Needed
Tools and materials needed for repairing all six types of surface
damage covered in this manual are given below.
TOOLS
Heavy duty polisher Harsh grit buffing compound
Huffing pad (for polisher) Acetone
White cloth Water
Sanding block Gelcoat
Putty knife Cab-o-sil collodial silica
Cellophane Catalyst
Single edge razor blade Milled fibers
Rubber squeegee Sandpaper - 100, 220, 400,
600 grit
H. Preparing the Surface
Fox restoring gloss or removing scratches, the surface is first cleaned
with acetone. For repairing other types of damage, the damaged material is
first removed with sandpaper or a putty knife, and then the void is cleaned
with acetone. BE SURE TO READ THE APPROPRIATE CHAPTER FIRST.
C. Patching the Surface '
1. Make a smooth, thick, manageable putty with the ingredients
given in the appropriate section (6-9) for the type of surface
damage you are repairing.
(NO
patch is required for restoring
gloss or removing scratches.)