Weber Brazil, products quartzolit system for electronic industry flooring is composed of a waterproofing base (primer antiumidade quartzolit), an adhesion primer (primer base quartzolit), a self-leveling cementitious underlayment (contrapiso rad quartzolit) and an epoxy-based top coat (epoxi sf 250 quartzolit). Joints must be sealed with PU60 quartzolit sealant.