DTC HUB - Take Control of Your Stock - Flipbook - Page 10
A DAY IN A LIVE PAINT SHOP
FROM BARE METAL
Most people
see the finish...
Very few
understand
what it takes to
get there
In a superyacht
paintshop, the quality of
the final coat is decided
long before a spray gun
is lifted. Environment
checks, material
staging and sequence
confirmation all take
place before the first
painter suits up.
Temperature, humidity and
airflow are verified first. In
this environment, when those
variables are wrong, everything
that follows is compromised.
There are no shortcuts that do not
eventually show up on the hull.
This is not a dramatic environment.
It is a controlled one. And the
difference between those two
things is where quality either holds
or quietly falls apart.
Stage One:
Surface
Preparation
Before any coating touches
the hull, the substrate has to
be perfect. Not close. Not
good enough. Perfect.
Surface preparation in
a marine environment
is unforgiving. Salt
contamination, osmotic
moisture and previous coating
residue all create adhesion
risk that no topcoat can
compensate for. This stage
often accounts for over sixty
per cent of total labour time
on a superyacht refinish, and
it is where the wrong abrasive
grade, the wrong technique
or the wrong sequence costs
the most.
The team begins with
mechanical abrasion, working
through grades systematically.
Each transition is deliberate. The
aim is not to remove material
aggressively, but to create the
correct surface profile for what
follows. Dust extraction runs
continuously. Contamination
at this stage does not show up
immediately. It appears in the
topcoat, by which point rework
has already doubled the cost.
One decision here defines
the rest of the process. Is the
surface genuinely ready, or
does it just look ready? In a well
run paintshop, those are never
treated as the same question.
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Stage Two:
Primer Application
Stage Three:
Filler and Fairing
With the hull clean, profiled
and dry, the painters move
into the spray zone.
Superyacht finishing standards
operate at a different level to
commercial marine work. A
hull that would be considered
acceptable on a working
vessel is rejected here before
it gets close to a topcoat.
Primer selection is not a generic
decision. The exposure profile
of the vessel, whether coastal,
offshore or tropical, determines
the system required. Epoxy
primers, tie coats and anticorrosion systems all have
defined application windows,
pot lives and environmental
tolerances.
Applying outside those
tolerances does not always
produce immediate failure.
It shows up months later,
offshore, where repair is
neither simple nor cheap.
Spray equipment is calibrated
before the first pass. Nozzle
selection, pressure settings
and material viscosity are all
confirmed. HVLP application
across a superyacht hull requires
consistency over large surface
areas, often in a continuous
workflow. Overlaps, sags and
dry spray are not acceptable at
this level.
The painters work
methodically. Film build must
be correct, and cure windows
must be respected before the
next stage begins.
Fairing is where the shape
of the hull is refined.
Imperfections are filled,
contours checked with
straight edges and raking light,
and guide coats applied to
reveal low spots that the eye
would otherwise miss. It is
slow, technical work, entirely
dependent on the quality of
the preparation beneath it.
Filler applied over a poorly
prepared surface is not a
solution. It is a delay.
The consumables used at this
stage are not interchangeable.
A filler system that cures too
fast in warm conditions, or too
slowly in cooler ones, disrupts
the entire schedule. In a high
throughput paintshop, one
product decision can move a
vessel’s completion date.
