Renie is a grouting specialist with over 25 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

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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 direction and site supervision for highly technical grouting operations

Water control for underground mines

Chemical grouting

Cement grouting

Cellular grouting

Safety Certifications

Standard First Aid with CPR

Elevated Work Platform

Confined Space Awareness

Fall Protection Awareness

Lift Truck Operator

Aerial Lift Training

Working at Heights

CN Rail


Renie Apayor’s Projects

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