VOC Barrier with VaporFlex® Premium in Coquitlam

Environmental Containment

Project Summary

A developer in Coquitlam, British Columbia, proposed building a high-rise condo in a busy business corridor, approximately 49 stories with 400 units and underground parking. Once constructed entirely, this will be the tallest condo tower in Coquitlam. The developer was aware of the potential of petroleum hydrocarbon (PHC) contaminated soil on the nearby property and was concerned about the VOC migration. The developer decided to install a VOC barrier on the perimeter of the underground parking wall.

Solution

The contractor hired Layfield to provide design assistance and supply and install the VOC barrier and drain mat. The system design included a dual lined impervious vapor management membrane with a drain mat intermediate layer, as well as custom mechanically sealed and tested threaded rod penetrations for the foundation wall tie in to the shoring wall. Additionally, the design included piping systems within the layers for sampling of the intermediate space and mechanically sealed anchorage at specified intervals to support the system. VaporFlex® Premium was chosen to help prevent gas and moisture from entering the building. VaporFlex® is up to 100 times less permeable than typical high-performance polyethylene vapor retarders against Methane, Radon, and other harmful VOCs, allowing you to construct healthy and safe buildings.

 

Features & Benefits

  • Custom vacuum testing on site
  • VOC permeability tested to PHCs in our laboratory in Edmonton
  • Design assistance with the installation of the barrier
  • Also tested penetration detail to VOC exposure
  • Prefabricated panels for ease of handling
  • Worked around tight space with limited access on site

 

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