Case Study: Commercial Strip Mall Pressure Washing in West Columbia, SC
Commercial pressure washing for a West Columbia strip mall — 4,500 sq ft of concrete and 5 storefronts restored with dual-method cleaning in one day.
The Situation
A property management company contacted us about a strip mall on Meeting Street in West Columbia. Five retail tenants shared a 200-foot sidewalk, a 40-space parking lot, and a dumpster pad area. The complex hadn't been pressure washed in over two years. Sidewalk was black with ground-in gum and grease, storefront siding had green algae, dumpster pad had deep grease stains, and tenants were complaining.
Surface Assessment and Pre-Treatment
Mapped each surface to its cleaning method. High-pressure (3,500 PSI with surface cleaner): concrete sidewalk (200 linear ft), dumpster pad (12x15 ft), parking curbing. Soft-wash (under 500 PSI): vinyl storefront siding (5 units), fabric awnings (3 units). Pre-treated all biological growth with sodium hypochlorite (15-min dwell) and dumpster pad with commercial degreaser applied by hand roller (20-min dwell).
Pressure Washing and Soft Washing
Started at the far end and worked toward the exit, controlling water flow away from active storefronts. Sidewalk got overlapping surface cleaner passes with turbo nozzle detail on gum spots. Dumpster pad: three passes after degreaser — got about 85% improvement on old grease. Storefront siding: soft wash with two passes on the north wall. Awnings: low-pressure rinse only to prevent discoloration. Applied algaecide to all concrete surfaces to slow regrowth 3-6 months.
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Total area: ~4,500 sq ft of concrete + 5 storefronts. Time: 6 hours (2-person crew). Cost: $1,200 with commercial bundle (20% discount vs. $1,500 individual pricing). The property manager scheduled quarterly cleaning. One tenant (a salon) said customers commented on how much nicer the entrance looked.
FAQ
Common questions about pressure washing
- How often should a commercial property be pressure washed?
- Quarterly is the sweet spot for most strip malls and commercial properties in the Midlands. Annual deep cleans cost more per visit because buildup is worse. Quarterly keeps surfaces consistently presentable and the per-visit cost is lower since we're maintaining rather than restoring.
- Can you pressure wash during business hours without disrupting tenants?
- Yes. We work section by section, always directing water flow away from storefronts. For noise-sensitive businesses, we can schedule early morning starts. The soft wash component (siding, awnings) is nearly silent — only the concrete pressure washing generates significant noise.