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This driveway had years of mold and mildew build-up on the surface. We pre-treated the driveway with a 4% cleaning solution to eradicate all organic matter growing on the surface. After applying the cleaning solution, we surface cleaned the driveway using 24-inch commercial surface cleaning units, then rinsed. This process mentioned above is the professional process to properly clean concrete without causing damage.
Contact Steen's Power Washing for all your pressure washing needs.
If your roof in O’Fallon has dark, streaky patches that get worse on the north side or under trees, you are likely seeing Gloeocapsa magma. **Those black streaks are living algae called Gloeocapsa magma**, and they thrive in the shaded neighborhoods around Fort Zumwalt Park. The […]
Missouri winters are hard on concrete. Water seeps into small pores, freezes, and expands. Add heavy road salt from snow events and the surface starts to scale, spall, and crack. The fix is simple to understand but technical to do right: professional concrete driveway sealing in […]