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Terry WillemsPrincipal Materials Scientist, Structural & Architectural Evaluation

Mr. Willems’ responsibilities include consulting and testing associated with construction materials evaluation, troubleshooting material performance problems, durability evaluations, and forensic investigations and litigation support. He has experience in the evaluation of concrete, mortar, grout, resilient floor covering materials, ceramic tile, epoxy terrazzo, cementitious terrazzo, terra cotta, floor underlayments, veneer plaster, stucco, anti-reflective glass, plastizer migration odors, glazed block, cast stone, concrete pavers and numerous coating failures. His capabilities also includes petrographic examination of concrete and other construction materials to ascertain causes of deterioration, identify materials, and assess quality for repair and rehabilitation projects. Structures investigated include buildings, parking garages, bridges, tanks, dams, chimneys, pavements, sewers, retaining walls, antennas, foundations, and historic structures. He has supervised and performed numerous field and laboratory forensic investigations of materials performance issues.  Contract reports include definitive findings regarding causes of damage and deterioration, materials testing, analysis and development of repair procedures, specifications and drawings.