395 Anchor Rd, Unit 23

Hamilton, ON L8W 0C7

38B Bigwin Rd, Unit 2A

Hamilton, ON L8W 3R4

Corrosion survey

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Why Conduct a Corrosion Survey?

Corrosion surveys can determine the likelihood of future corrosion, check to see how severely an asset is already corroded, as well as determine the extent of future corrosion without adequate intervention. Ultimately these surveys can reduce costs and improve the safety and performance of your asset.

The importance of regular monitoring can not be underestimated in corrosion control. Periodic evaluations, or corrosion surveys, on both cathodic protection and pipeline coating systems, need to be monitored to search for early signs of metal asset corrosion, or worse, a leak on a weak spot on the pipeline.

Corrosion surveys are typically done by examining the asset’s “resistivity,” or how strongly metal resists an electric current. Analyzing an asset’s resistivity and the surrounding soil can pinpoint the areas of the asset that are most likely to become corroded if they aren’t already.

At the heart of preserving the integrity and extending the lifespan of infrastructure, conducting a corrosion survey emerges as a critical step for industries reliant on pipelines and structural assets. Understanding the importance of corrosion surveys can enlighten us on preventive measures and remedial actions necessary to mitigate the adverse effects of corrosion, ensuring the safety, reliability, and longevity of assets.

Corrosion Surveys Reduce Costs

During the COVID-19 pandemic, many maintenance and coating projects fell by the wayside. Now, more than ever, the importance of preventative maintenance cannot be stressed enough. Ultimately these checks will reduce costs over time as unchecked corrosion shortens the life of metal assets. These regular surveys and observations of corrosion may salvage an asset and avoid its early replacement. Corrosion is a controllable chemical response, and monitoring for known factors can extend the asset’s usable lifetime.

Corrosion Surveys Preserve Safety and Performance

Corrosion surveys are essential in maintaining both the safety and performance of infrastructure. By conducting these assessments, organizations can prevent the adverse effects of corrosion from compromising public health and safety. Assessing assets for corrosion can help to ensure your infrastructure isn’t negatively impacting the health of your customers or the public.

Also, by circumventing the types of pinholes that are associated with corrosion, you can prevent performance issues and aid in the longevity of the coating. Through proactive corrosion management, businesses can safeguard their infrastructure, ensuring it remains reliable and effective for its intended lifespan. This approach not only protects the public but also supports the optimal performance and sustainability of the infrastructure.

Identifying the Severity of Corrosion in Proposed Locations

Before the installation of pipelines or the construction of structures, it’s imperative to assess the environmental conditions of the proposed location. A corrosion survey helps identify the potential corrosive threats that can compromise the integrity of these assets. Factors such as soil composition, moisture content, pH levels, and the presence of corrosive agents are meticulously evaluated. This proactive approach aids in the selection of appropriate materials and protective coatings, ensuring that the infrastructure is designed to withstand the specific challenges of the environment.

Assessing the Current State of Existing Structures

For existing structures, a corrosion survey serves as a diagnostic tool to evaluate the current state of corrosion. This includes identifying areas that are severely affected by corrosion and understanding the rate at which the degradation is occurring. Such surveys employ various techniques, including visual inspections, ultrasonic testing, and electromagnetic methods, to gauge the thickness of materials and detect any loss of integrity. By pinpointing the severity and location of corrosion, targeted maintenance and repair strategies can be developed, significantly reducing downtime and extending the service life of the asset.

Evaluating the Extent of Damage

Determining the extent of damage already inflicted by corrosion is another vital aspect of conducting a corrosion survey. This includes the physical damage to the structure and also the potential safety risks and environmental hazards posed by weakened infrastructure. Through detailed analysis, the survey can reveal the necessity for immediate intervention, such as repairs or replacements, to prevent catastrophic failures. Additionally, understanding the damage extent aids in planning future maintenance schedules, budget allocations, and in some cases, the decision to decommission facilities beyond economical repair.

Resistivity Survey

A survey of the resistivity along an existing or proposed route will provide solid answers in determining how severely a pipeline or other structure is attacked in a proposed location (1); how severely an existing structure is being attacked (2); and what steps can be taken to control the corrosive exposure. A resistivity survey will also allow for some good estimations to aid in determining how much damage has already been.

Except under what can only be described as research conditions, it is seldom profitable to conduct an extensive survey of resistivity along the route of a coated line, either existing or planned. There is only one decision to make about a coated line, and that is whether to place it under cathodic protection.

Our process

our coating inspection process

We have a tried and true methodology for assessing and prevention corrosion through our ISO-standardized and client-customized workflow.



A maintenance survey determines the coating conditions of a surface. Surveys are used to create a maintenance schedule for re-coating and touch-up applications.



The Coating Inspector performs testing for a wide range of coating applications. We test for conformity, compatibility, performance, coat thickness, hardness, adhesion, and finishes.



Once testing has been completed, we provide our detailed recommendations in a report. This ensures that all aspects of the survey are considered and addressed.


Coating Specifications

All jobs are conducted according to industry standards: NACE/AMPP, ISO 9001:2015 and CSA/SSPC in Canada, ASTM and ISO for international clients.


our team

The Coating Inspector works with contractors, owners, and engineers. We are a third party unbiased leader in the provision of professional coating inspection services.


blasting & painting

The Coating Inspector provides supervision and project management in the sandblasting, painting and coatings industry.

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Our Services

Surface inspection company

We check industrial equipment to ensure protective coatings were correctly applied to minimize corrosion risk. Our inspectors go through rigorous training to identify problems in coating applications. They can make recommendations for which types of coatings can best protect the materials from corroding.

Coating inspection company near me

A coatings survey provides a sense of how a coating is currently performing and identifies any problems that need to be addressed immediately. The survey provides the next steps to be undertaken. Surveys are a necessary part of an ongoing maintenance plan and should be performed on a regular basis.

Coating inspection company near me

This is the qualitative test of the adhesion coating system. This test will only give allow to ensure there is an adequate bond to the coated substrate. This test does not differentiate between levels of bonding. Adhesion testing is used to evaluate the adhesion to the substrate, in between coats, and internal film.

Coating inspection services

To determine the quality of the protective coating our inspector will measure dry film thickness or DFT. Considered one of the most important tests an inspector can make. DFT test serves as a foundation for the entire coating inspection,.

Coating inspection services

We create custom maintenance programs that identify areas to be surveyed, the level of detail required, and manpower that will be required to execute. We determine the data that will be taken and format to be used to ensure consistent judging criteria.

Surface inspection company

The Coating Inspector can conduct a non-destructive High Voltage Holiday Testing to find any voids and failures. This is possible due to electrical charge that flows through protective coating. Invest in hiring one of the top-rated AMPP  inspectors in the world. 

Corrosion Surveys Preserve Safety and Performance

Assessing assets for corrosion can help to ensure your infrastructure isn’t negatively impacting the health of your customers or the public. Also, by circumventing the types of pinholes associated with corrosion, you can prevent performance issues and aid in the longevity of the coating.

Find out how The Coating Inspector can help increase the lifespan of your assets. Contact Us.

why us

Hire the Right Coating Inspector in Canada

Do you have existing corrosion, or are looking to prevent costly equipment failure? If so, you’ve come to the right place. Contact us today to get a consultation.

The Coating Inspector is ISO certified, something few competitors can offer. We also have extensive reviews, decades of combined experience and the most highly trained coating inspectors in the industry.

What is an ISO Certification?

“Certification to ISO 45001 demonstrates an organisations commitment to a safer working environment and the protection of employees against injury at work.

ISO 45001 certified organisations have identified and operate to regulatory requirements through enforcing procedures for compliance with legislation. Improved identification of hazards and risk management, involving all levels of the organisation through setting objectives, targets and documented responsibilities are recognised by regulators as a commitment to safe working conditions and continuous improvement.”

Source: https://www.qas-international….

QAS ISO certifies strict compliance procedures to legislative and standard compliances.

We have been certified in continuous improvement and service to our compliance.

We are commited to impeccable client service & employee safety.


The AMPP (Formerly know as The National Association of Corrosion Engineers (NACE)) is a globally recognized certification body to certify and train corrosion engineers.

With over 36,000 members globally, it is the most recognized trade association of corrosion inspectors to ensure industry standards in the coating inspection industry.

Established in 1943, it serves to train corrosion inspectors, enforce industry standards, certify engineers, publish and research corrosion inspection techniques and journals, as well as provide a standardized approach to corrosion inspection and prevention.

NACE “equips society to protect people, assets and the environment from the adverse effects of corrosion.”

Every project, business and industrial assets are unique. Depending on the scope of work, location and amount of inspectors or work hours required for your project, the cost can vary. 

However, The Coating Inspector is committed to saving your business time, money and assets. The cost of equipment breakdown, shutdown or repair delays can cost your business far more resources than preventative maintenance, work and inspection.

Call, email or contact us via the form below with a bit more of information about your business. From there we’ll consult with you regarding your unique corrosion prevention requirements. 

From there we’ll provide you a comprehensive quote and scope of work, and then begin working together with you to keep your facility and equipment in top working area.

Primarily all across Canada and globally (depending on the project).