Steg top SL-42 is a thickening, sealant modified with polymer additives, cementitious base for use at positive and negative pressures. It consists of cement, quartz sand, pozzolans and enhancers. The STEG TOP SL-42 has very strong bonding on all common substrates and resistance to cooling and humidity. It is suitable for indoor and outdoor use. Mixing with water results in a flowing paste that is easy to apply with a brush, coarse brush or spatula.