SONTEK is a gypsum- based thin plaster which is used as a top coat plaster with its high adhesion strength. SONTEK applied on surfaces which are gypsum plaster, cement plaster and plasterboard. Special additives in its formulation delay the absorption of SONTEK mortar’s water by the substrate. SONTEK can be applied easily. Corrects cracks and defects on the surfaces. Prepares smooth surfaces for SATENTEK finishing plaster. SONTEK creates a smooth surface and reduces the finishing plaster usage. Applications Houses, office and administration buildings, business and shopping centers, hotels, repair and renewal works.