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Williamson & Associates, Inc. is a professional consulting firm specializing in construction technology with a primary focus on the weathertight envelope of buildings. Since its inception in 1967, the firm has provided technical assistance to the design and construction communities on a national basis. Our clients consist of building owners, property managers, architects, contractors, lenders and other industry members.

Williamson & Associates has drawn together a staff with diverse and varied backgrounds in construction. Team members possess decades of experience ranging from design and general contracting to material specialists and specialty contractors with a focus on waterproofing, wall systems and roofing.

Where remedial work is required to address building leakage or durability problems, Williamson & Associates provides services to locate and determine the causes of component failures. Capabilities in corrective work include documented investigative surveys, analysis of in-place designs and systems, recommendations for remedial designs and materials, detailing, specifications, bid and contract documents, and assistance in bidding, awarding, administering and inspecting the remedial contract.

Williamson & Associates offers its services on a professional fee basis by letter of agreement.