760.930.0070 info@coastalcw.com


Coastal has experience in installing above and below grade waterproofing systems. Our waterproofers have experience to accommodate all of your waterproofing needs from new construction to restorations.

  • Above Grade
  • Below Grade

Durable, permanent, chemical resistant protection. Call us at 760.930.0070 for an estimate today!

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Below Grade

Grossmont High School, El Cajon

General Contractor: EC Constructors

Renovation Project: Coastal waterproofed poured in place retaining walls at Grossmont High School in La Mesa using Tremco 250 GC. The 35,000 square foot landmark under went a complete renovation (modernization) where our team specifically worked on an elevator pit, the student services building and the art classroom to upgrade the historic school.

Civita Mission Valley

General Contractor: Hazard Construction

New Construction Project: Coastal waterproofed block retaining walls at the new housing development, Civita in Mission Valley using Tremco 250 GC. We specifically worked on the park areas of the 230-acre master-planned community.