Description Concentrated Concrete Cleaner Damtite 12oz (340g) for cleaning masonry surfaces before coating or painting. Use to clean and prepare old or new concrete block, brick, poured concrete, stucco, stone & tile prior to painting. • Etches & cleans masonry walls • Removes salt-like deposits • Safer than Muriatic Acid Mixing: Using clean, warm water in clean container, add Damtite Concrete Cleaner crystals & stir. Add 12 oz (340 g) bottle to ½ gallon (1.9 liters) of water to etch, or 1 gallon (3.78L) of water to remove efflorescence & clean mortar. Application: Scrub into surface with stiff or wire brush. Rinse thoroughly with clean water after 20-30 minutes. Coverage: a 12oz-bottle diluted in 4L of clean water can treat surfaces from 20 m2 to 30m2. Technical Data Sheet: Download the file here

