Water tight, fast curing and fast setting restoration mortar specially designed for sewers and shafts. KÖSTER Sewer and Shaft Mortar develops a high compressive strength, is fiber reinforced, very easy to apply and workable even under flowing water. Approved for drinking water applications.
Consumption: Approx. 1.8kg/l void as repair mortar; Approx. 18kg/m²; per cm layer thickness