Evaluation of Bentonite Clay for Waterproofing Foundation Walls Below Grade.
ARMY CONSTRUCTION ENGINEERING RESEARCH LAB CHAMPAIGN ILL
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Bentonite clay panels and bentonite spray are evaluated for waterproofing the exterior surface of foundation walls below grade. The evaluation is based on a field letter survey and contacts with users, architects, and installers of bentonite panels and applicators of bentonite spray. Two installations were observed to provide first-hand data. Both bentonite systems performed favorably at a cost comparable to conventional systems, but lower than most elastomeric systems. Product information, including responses from the field, cost comparisons, and advantages and limitations for both materials, is given.
- Construction Equipment, Materials and Supplies