From the Technical Data Sheet and the Application and Maintenance Guide for Dow Corning AllGuard Silicone Elastomeric Coating…
Cleaning and Maintenance
Walls should be inspected at least once a year. If coating becomes damaged, repair damaged portion to maintain weatherproofing performance.
- Abrasive cleaners and cleaning equipment should never be used.
- Routine cleaning is suggested, and dictated by the surrounding environment. Visible debris, such as airborne dirt or soot, should not be allowed to collect on the coating for a long period of time. This will increase cleaning effort and may be difficult to completely remove.
- Recommended cleaning method involves the use of pressurized water and a basic cleaning agent such as trisodium phosphate (TSP) or Simple Green. Water pressure should not exceed 1,500 psi (10.3 MPa) to clean the surface without removing the coating material from the wall surface. A small test patch should be done first to determine how long the cleaning agent should be left on the surface before rinsing.
- Stubborn marks may require the use of a soft bristle brush with the cleaning solution. Avoid stiff brushes that may abrade the coating.
- Any touch-ups or repairs to the coating can be accomplished by applying Dow Corning AllGuard Silicone Elastomeric Coating to the clean, dry area according to the recommendations in its application guide.
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