Keep PRAIRIE stone units clean during the laying process.
Test unexposed portions of adjacent metal fixtures with the cleaning solution. If a corrosive stain occurs, then protect the exposed portions.
Protect adjacent masonry and other non-masonry areas by saturating with water and flushing away cleaning solutions prior to it drying.
Materials
2 plastic or hard rubber buckets
Soft fiber masonry brushes (whitewash brushes are adequate)
Wooden or other soft non-staining scraping devices Ample supply of clean lint-free cloths or paper towels
Clean water
Recommended cleaners:
Burnished Custom Masonry Cleaner (diluted 1:4 by ProSoCo Inc.)
Custom Masonry Block Cleaner (diluted 1:6 by ProSoCo Inc.)
Vanatrol (diluted 1:6 by ProSoCo Inc.)
Procedure
Brush clean water on surface area to be cleaned. Clean one area at a time (approximately 5' x 5'). It is essential hat the masonry wall be kept wet at all times. Do not use dirty water.
Apply cleaning solution, brushing in a circular motion to remove any mortar. Remove excess mortar with the soft scraping device and re-apply cleaning solution. You may use a pressure sprayer to clean.
Allow cleaning solution to remain on the surface for two or three minutes then proceed to wash off with liberal amounts of clean water.
