SB 2600 EIFScrub is a non acid cleaner for the general maintenance and cleaning of EIFS surfaced buildings and most painted trim such as fascia, soffit, gutters and downspouts.SB 2600 will remove atmospheric soiling, auto and diesel exhaust, some oxidation stains and most organic growth.SB 2600 EIFScrub is also recommended for cleaning of conventional stucco, concrete, painted surfaces, and vinyl and aluminum siding.