CETCO, a subsidiary of AMCOL International Corporation, delivers a complete range of products and services for below-ground waterproofing of buildings.

CETCO provides bentonite-based products for a wide range of construction, environmental and industrial applications. CETCO’s basement and below-ground waterproofing systems utilise the unique characteristics of Sodium bentonite, a naturally occurring, versatile clay. Sodium bentonite is comprised mainly of a layered clay mineral, whose broad, thin platelets are ideally shaped for use as a hydraulic barrier in basements and other below-ground waterproofing applications.