As SB 2450 acts like a sealer or binder to the masonry, it will seal in dirt and stains, so the time to do cosmetic cleaning and improvements is before treatment. Clean all surfaces that will receive treatment with the appropriate ShoreBest restoration cleaner. Penetration and properties improvement are better on masonry that is free of dirt and organic contaminants. Provide protection for non-masonry surfaces (especially glass), foliage, vehicle and pedestrian traffic. Protect all surrounding areas and structures from possible damage, which might occur from fumes, spillage, drift or over spray during usage.
All projects should start with a test application to a properly cleaned and thoroughly dry surface to determine the suitability of the treatment and acceptable application method. Using the method to be used on the project, apply an area of 10 square feet to calculate coverage rate per gallon and to determine if there will be any unacceptable change in the appearance of the surface. Low-pressure spray application, using the wet on wet method, is the preferred method of application. Unlike most masonry cleaning projects the intent with SB 2450 treatment is to have as much material penetrate the substrate and be absorbed as possible.
Dilution and Coverage
Dilution: Product normally used undiluted — test application recommended.
Coverage: Dependent upon substrate and other conditions.
Apply a soaking spray to clean, dry masonry. Work in sections small enough so that repeat applications can be done before the surface dries out from the previous application. Depending on the porosity of the substrate and degree of improvement desired, usually three applications are specified. Do not allow product to pond or accumulate in low areas of horizontal surfaces. Use a broom or squeegee to remove excess product from low areas. Before the last application is dry it is generally desirable to lightly spray or mist the treated area with clean water to drive the treatment deeper into the masonry. This is particularly important in hot dry weather when premature
drying of the product can lead to unsightly and difficult to re- move white deposits on the surface. Within reason, the longer the surface is kept wet, the better the overall results. Post treatment rainfall will not harm the product. In some cases, brush application may be acceptable. When possible, the test area should be left to age for 10 or more days to check for possible adverse reactions such as unacceptable darkening of the surface.
Causes mild skin irritation. Harmful if inhaled.Refer to product SDS or product label for hazard statements, precautionary statements and safety information
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