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    Outdoor Limestone Cleaning and Sealant App.

    -Limestone Cleaning- Outdoor Patio Limestone Cleaning and Sealant Application Monte Sereno, Bay Area Mold growth on porous natural stone and concrete can be a problem in the Bay Area. The dark areas on this natural stone entry and patio are from mold growth due to multiple years without proper limestone cleaning and re-sealing. Stone Improvement […]