Controll® Conclean is an acidic cleaner applied on concrete surfaces prior to sealing, specifically formulated to remove lime and salt deposits, soot and algae. It also removes small mortar splashes, cement marks, rust staining etc. and increases adhesion for paint and plastering. Controll® Conclean can replace the use of sulphuric acid.
The product is non-corrosive and does not contain substances that are harmful in normal use.