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Discover our 8 trades

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A team of experienced specialized workers, technicians and engineers

Your activities must never be offline for any reason. We do our best to meet your needs, deadlines and budget. Over the years, Gastier has surrounded itself with specialized workers in 8 trades and acquired know-how that is recognized throughout the construction industry. In every project, we aim to exceed every quality and safety standards imposed by the industry to deliver the best possible results for our customers’ institutional, commercial or industrial project. Our multidisciplinary teams guide you through every step of your project and strive to give you the best solution for your overall situation and ambitions....


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Together, our team members have gathered a unique and in-depth expertise allowing Gastier to design unique custom solutions in the fields of automatization and control. Regardless of whether your project is completed or partially completed, at the idea stage or already being costed out, we take care of the following steps, from start to finish.

  • Project implementation and maintenance services for projects of all sizes
  • Plant start-up
  • Automatic machine programming
  • Migration of operating automated systems
  • ...
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Our decades of experience have allowed us to develop and master various types of insulation and mechanical insulation services, always with the goal of optimizing your systems and helping reduce energy loss. Project size or stage of development does not matter to us. We are used to installing, renovating and maintaining both new and ongoing projects.

  • Removing existing insulating materials (including asbestos)
  • Manufacturing rigid coating parts
  • Installing insulation materials and any kind of coating
  • Applying fireproof products
  • Mechanical insulation for processing equipment and pipe systems
  • ...
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Boiler making

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Our experts have the accreditation, experience and expertise needed to guide and assist you at every step of your project. You can trust us for the design, manufacturing, installation, rehabilitation, maintenance and upgrading of any of your boiler making equipment used to store any liquid, gaseous or organic product.

  • Fuel farm storage tanks*
  • Various types of storage tanks*
  • Various types of pressure storage tanks*
  • Cryogenic storage tanks*
  • Spherical storage tanks*
  • Pressure vessels*
  • Steam generators
  • Boilers
  • Exchangers
  • Distillation towers
  • ...

*MDI, trademark owned by Gastier

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Our electricity technicians and engineers are on site to offer a wide range of electrical services that will suit your needs. For small or large-scale projects, service visits or long-term maintenance plans, we take care of every one of your electrical projects in the institutional, commercial and industrial sectors.

  • Needs assessment and consumption analysis
  • Thermographic inspections of electrical equipment
  • Instrumentation and control
  • Installation of medium-voltage equipment
  • Start-up support
  • Installation of generators and uninterrupted power supply units (UPS)
  • ...
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Industrial mechanics

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With a recognized expertise in industrial mechanics in all our industries, our teams of specialists are able to offer you a wide range of benefits for any type of project.

  • Industrial transfers
  • Factory relocation
  • Alterations to production lines
  • Processing equipment and assembly lines
  • Handling of any equipment
  • Conveyor systems
  • Precision alignment
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Our team’s expertise in building mechanics has been recognized for decades. We design and develop various types of plumbing installations for the industrial, commercial and institutional sectors, and are able to provide you with a broad range of services.

  • Plumbing
  • Heating
  • Pressurized piping
  • Natural gaz (P.E.P certified)
  • ...
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A special kind of expertise in process mechanics is required to handle stainless steel, carbon steel, HDPE, polypropylene, copper, PVC and PCVC, aluminum, Iconel or any other kind of alloy. Our team of pipe fitters and welders are more than able to answer any need you might have related to the manufacturing, handling and installation of pipe systems.

  • High-pressure welding (CWB, ASME and RBQ certified)
  • Pressurized piping
  • Service piping
  • Process piping
  • Instrumentation tubing
  • Hydraulic tubing
  • Pipe retainers
  • Industrial processes
  • ...
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Steel structure mounting and assembly

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Available directly on site or at one of our manufacturing shops, our team’s top-of-the-line expertise has already proven its worth. Over the years, our experts have tackled plenty of design, installation and repair challenges on all sorts of steel structures.

  • Racks
  • Various types of process modules
  • Bridges and viaducts
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Expertise Gastier Expertise Gastier Expertise Gastier

A leader of the Quebec construction industry for years, Gastier has retained its family values and heritage for over 50 years. Our workers and technicians are at the heart of our actions.

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Thanks to our many specialized and experienced workers, technicians and engineers, we have developed an integrated expertise in fields such as electricity, mechanics, automatization, instrumentation, plumbing, piping and boiler making, as well as insulation and steel structure manufacturing.

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Over the past 50 years, we have adapted to respond to new opportunities, thanks to our team’s agility and capacity to innovate. We also aim to create and maintain trustworthy relationships with our clients, to provide them the best solutions while ensuring flawless management.

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