Preston is an accomplished technical specialist with more than 11 years of hands-on construction experience. He has joined our grouting team with a strong desire to learn and achieve professional qualifications in the construction industry.

As part of his versatile skill set, Preston is proficient in the implementation of grouting techniques for concrete crack injection operations and water cut-off operations; capable of working safely in extreme weather and difficult site locations. He also assists the technical crew with injection and mixing equipment maintenance and troubleshooting.

Preston possesses the ability to self-motivate and prioritize activities based on project requirements to ensure efficiency, high quality of work, and a safe working environment while meeting customers’ expectations.

Work History


2017 to date

Multiurethanes Ltd. - Mississauga, ON Multiurethanes Inc. - Buffalo, NY

2014 - 2017

Quality Control Inspector, Mevotech - Toronto, ON

2010 – 2014

General Labourer, Various construction companies - Greater Toronto Area, ON

Preston Thompson – Technical Specialist


Technical Skills

  • Diversified hands-on expertise in grouting solutions for the control of water inflows, restoration of concrete structures, crack injection and void filling

  • Operational knowledge of grout mixing and pumping equipment for chemical injection and cement grouting applications

  • Understanding of grout material selection including grout formulations and the use of performance-enhancing additives

  • Training of contractor personnel for grouting procedures, techniques, materials and equipment

  • Grouting equipment servicing and repair combined with on-site troubleshooting experience

  • Knowledge of waterproofing materials application and installation



  • Chemical crack injection of parking garages, building foundations, retaining walls, and bridge abutments/wing walls using flexible resin

  • Control of water inflows through leaking concrete structures, construction joints, expansion joints and rock fissures

  • Concrete crack injection, concrete repair, utility manhole sealing, soil stabilization, and inflow water stop.

  • Water control applications for tunneling, heavy civil and infrastructure projects

  • Hands-on technical experience with cement and chemical grouting operations

  • Chemical grouting

  • Cement grouting


Safety Certifications

  • Standard First Aid CPR-A & AED

  • Confined Space Entry

  • Working at Heights


Preston Thompson’s Projects

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