Aisle-by-Aisle Sealcoating & Drainage Fixes That Keep Water Out of Your Units
EARTHTEK is a Bay Area sealcoating contractor for self-storage facilities. Long drive-aisle programs on a 2–3 year cycle, drainage correction that keeps water out of unit doors, and phased execution so tenants keep access throughout. 17+ years, Diamond Certified, licensed and insured (CA #995715).


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Phased aisle-by-aisle so tenants always have a route to their unit. Priced per program, not per one-off application.
The distinct pain point for this vertical: water reaching unit doors during rain. We regrade the aisle crown and install drainage solutions that stop the ponding.
Restencil unit numbers, directional arrows, and access-lane markings — see our parking lot striping service.
Full crack-seal programs and targeted asphalt repair across acres of aisle surface.
Drainage-into-units framing. Every other contractor treats this as a sealcoat job. We treat it as a grading and drainage job with sealcoat as the finish coat.
Tenant-access phasing across aisle networks — we publish the schedule and route diagrams to your on-site manager and posted signage.
Recurring 2–3 year program positioning for maintenance-literate owner-operators and REIT regional managers.
17+ years of commercial paving excellence across San Jose and the greater Silicon Valley.
EarthTek provides commercial paving services throughout San Jose, Silicon Valley, and the greater Bay Area.
Get a free, no-obligation estimate for your next project.