Waterproofing
Caulking
Moisture Protection
Firestopping
Restoration

Because Waterproofing Matters!

As the first contractor in the United States with a Sealant Waterproofing and Restoration (SWR) Institute validated training program, we have the training, experience, knowledge and expertise required for the proper installation of sealants, waterproofing, moisture protection and firestopping systems to meet your needs.


Our training center calendar keeps you up to date on upcoming events and industry conferences.

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Get more information on waterproofing products from our Technical Resources directory.

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WHAT THE INDUSTRY SAYS ABOUT US

W. R. Grace

It is rare to find an applicator that cares as much as GDA and their group of companies.  They have taken waterproofing to the next level.

Jill Heidorf, Architectural Sales Rep, W. R. Grace

United States Cold Storage

The George D Alan Company has done an excellent job...I would definitely recommend this company to anyone with floor issues.

Chad Saltzman, Chief Engineer, United States Cold Storage, Inc.

Silicone Specialties

Every aspect of working with employees from GDA is a step above their competition.

Duane Barnett, President/ CEO, Silicone Specialties

BASF

It is great to work with a company that approaches every aspect of a project with the level of professionalism and pride that GDA does. Their involvement in industry organizations and their training programs demonstrate their commitment to excellence.

Rick Johnson, South Central Regional Manager, BASF

WE ACTIVELY PARTICIPATE IN THE FOLLOWING ORGANIZATIONS