Surface Repairs - Columbia Coronado 25 Owenrs Manual

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
Huffing pad (for polisher)
White cloth
Sanding block
Putty knife
Cellophane
Single edge razor blade
Rubber squeegee
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.
gloss or removing scratches.)
Harsh grit buffing compound
Acetone
Water
Gelcoat
Cab-o-sil collodial silica
Catalyst
Milled fibers
Sandpaper - 100, 220, 400,
patch is required for restoring
(NO
SECTION 6
Page 6
600 grit