Boats Corrosion Surveys

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Most of us has been affected by corrosion our boats.

There are different  types of corrosion affecting our boats:

In simple words, Corrosion is the irreversible damage or destruction of a material due to a chemical or electrochemical reaction with the environment.

Metal Corrosion is Caused when it reacts with another substance such as oxygen, hydrogen, an electrical current, or even dirt and bacteria. Corrosion can also happen when metals like steel are placed under too much stress causing the material to crack

On boats are mainly three types of corrosion:

Galvanic Corrosion:
It is simply an electrochemical reaction between two or more different metals. The metals must be different because one must be more chemically active (or less stable) than the others for a reaction to take place. When we talk about galvanic corrosion, we’re talking about the electrical exchange. All metals have electrical potential because all atoms have electrons, which have an electrochemical charge. (see https://www.boatus.com/)

Electrolytic Corrosion:
It is simply a process of accelerated corrosion. In this process, a metallic surface is continuously corroded by other metal it is in contact with, due to an electrolyte and the flow of an electrical current between the two metals, caused from an external source of electromotive force.

Ordinary Corrosion: 
Some times called rust, it is a chemical process which results in the formation of red or orange coating on the surface of metals, this reaction causes damage and disintegration of the metal starting from the portion of the metal exposed to the environment and spreading to the entire bulk of the metal.

WHY TO USE MARINE SURVEYORS?

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Very often we get asked about boat surveys and what are the benefits of doing so, this week we are going to discuss details on the importance of marine surveys.

What is a Marine Survey?

it is a comprehensive check-up for boats, designed to identify existing problems, point out areas to improve, and give a detailed picture of the overall health of the vessel.

The two major reasons to hire a Marine Surveyor are:

1 Get an Unbiassed Assessment

When you are buying a boat, especially second-hand, the current owner may not be aware of any existing problems, if there is any, This is when a marine survey is very important before settlement.

During a repurchase survey the marine surveyor has the opportunity to assess all aspects of the vessel:

  • Structural
  • Mechanical Components
  • Rigging
  • Plumbing
  • Electrical Systems
  • Hull Planking
  • Propulsion System

As a result, the surveyor submits a report, with recommendations and a conclusion, that can help the price negotiation and repairs needed.

2 Get Profesional Valuation

Many marine underwriters (insurers), require a complete survey to be completed prior they will ensure a pre-owned vessel.

A professional marine surveyor will inform whether any repair needed to be completed and the cost of each repair accurately, this information is vital and can be used to determine if the boat is a good value and what is estimated provision in years ahead for upkeep.

Buying a boat is a big step, and a huge investment, a Surveyor will be your best advisor during this process.