The Waterproofing Contractors Association (WCA) is a trade association dedicated to advancing the science of preventing leaks. The membership reads as a “who’s who” in waterproofing expertise. Member companies of the WCA come together to exchange state-of-the-art information on waterproofing, see the latest developments in waterproofing technology and products and establish and renew personal relationships with colleagues in the field.

Our network and leadership is comprised of manufacturers, distributors, contractors, architects & engineers working together.  With this depth of resources, our members are ready to respond to the entire building envelope. WCA has a rich history of excellence in waterproofing and we’d love for you to play a part in our future.

A History of Connections

Since 1970 the Waterproofing Contractors Association has been building meaningful connections by bringing together friends, families and colleagues in the waterproofing industry.  Relationships built over the course of two generations remain the heart of our organization and are the foundation for the sustained success of our members.

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A Commitment to the Industry

The WCA is dedicated to elevating and sustaining the professional character of our members by providing relevant industry knowledge and access to well-known industry authorities. We seek to represent and safeguard the common interests of members and the public alike by encouraging a commitment to moral and ethical standards and by promoting goodwill between all phases of construction.


WCA Platinum Sponsors

Guaranteed Supply CompanyPolyglassWhiteCapCoastal Construction

WCA Gold Sponsors

  • Applied Building Sciences Inc
  • GCP
  • Pecora Corporation
  • Watts & Associates
  • WillSeal
  • WxProofing 

WCA Silver Sponsors

  • Carolina Restoration & Waterproofing, Inc.
  • Harrell's Waterproofing, Inc.
  • High Rock Waterproofing
  • Procon & Associates
  • REI Engineers, Inc.
  • Statesville Roofing & Building Restoration

WCA Bronze Sponsors

  • Sika
  • Stone Restoration of America