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Contractors who specialize in waterproofing may be members of The National Association of Waterproofing and Structural Repair Contractors (NAWSRC). This is a professional trade association for members of the waterproofing, structure, and foundation repair industries. Members of the NAWSRC pledge to uphold strict standards of practice and ethics that have been established by the industry. The Waterproofing Contractors Association is another trade group, with its membership primarily concentrated in the eastern United States. When choosing a waterproofing contractor, many people find it helpful to get recommendations from friends and family. It can be helpful to interview several contractors and receive proposals for the project from each. Make sure to compare warranties offered by the various waterproofing contractors.
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