Renie is a grouting specialist with over 30 years of significant specialty construction experience. His strong background in grouting techniques and formulations allows him to design and implement diversified grout mixes and techniques to successfully solve challenging and complex issues on large projects. Some of these projects include a major infrastructure rehabilitation using crack injection techniques, soil stabilization by compaction and consolidation grouting for heavy civil construction, water cut-offs applications for underground tunnels, and void fills for pipeline decommissioning.

Renie also provides guidance and training to junior team members and contractor personnel on proper application and best practices in concrete repair and water control applications.

His dedication, commitment and know-how of grouting techniques help us to deliver exceptional service to our clients.

Work History


2003 to date

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

2002 - 2006

Employed in the retail sector - Mississauga, ON

1984 - 2002

Civil Engineer employed by several construction and engineering companies - Philippines

Renie Apayor – Technical Specialist


Technical Skills

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

  • Advanced knowledge of grout material selection including grout formulations and the use of additives

  • Demonstrated ability to adapt specialty grouting techniques and equipment to accommodate confined space, extreme weather, remote location and other difficult or unusual site conditions

  • Training and supervision of contractor personnel for concrete repair and water control applications

  • Compliant with NORCAT training standards and job site specific safety procedures



  • Solutions for high volume, high pressure, high-temperature water inflows

  • Hands on technical direction and site supervision for grouting operations

  • Water control for underground mines

  • Chemical grouting

  • Cement grouting

  • Cellular grouting


Safety Certifications

  • Standard First Aid CPR-A & AED

  • Confined Space Entry

  • Working at Heights


Renie Apayor’s Projects

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