
Built to do
fewer vehicles
right.
Blackline opened in Phoenix in 2019 with a single controlled-environment bay and one goal: take the time the work actually requires.
Why Blackline exists.
Founder Dario Sandoval spent a decade in collision repair watching meticulous refinish work leave the shop only to be ruined within six months — by tunnel washes, cheap sealants, and paint that was coated before anyone corrected it.
He opened Blackline in the Camelback Corridor with a single bay, a color-corrected lighting rig, and a paint thickness gauge — the three things he believed every serious detail shop needed to start with.
Today the studio handles 15–20 vehicles per month. That limit is intentional. Every vehicle gets the full intake process, the full decontamination protocol, and the same technician from drop-off to pickup.
The Blackline bay.
Our studio at 4820 N 32nd St is a sealed, climate-controlled single-vehicle bay. No wind. No airborne contamination from adjacent vehicles. Temperature and humidity are managed through every paint correction and ceramic cure cycle.
Color-corrected shop lighting runs at 5,500K — daylight-equivalent so that every swirl mark, buffer trail, and low spot is visible before we call a job done.
A dedicated decontamination station handles iron fallout removal and clay bar prep before any vehicle enters the polish bay. Contamination doesn't get to ride through the whole process.
Three detailers.
All certified.
Dario Sandoval
Twelve years in automotive paint care before opening Blackline in 2019. Started in a collision repair shop, got tired of watching quality paint work leave through the wrong door. Now runs the studio with a focus on documentation and measurable results.
- – IDA Certified Detailer
- – Gyeon Quartz Certified Installer
- – 12 years experience
Elena Reyes
Detail technician focused on machine polishing and decontamination protocol. Works primarily on single and two-stage correction jobs, with particular experience on dark and matte-adjacent finishes.
- – IDA Student Member
- – Paint correction specialist
- – Clay bar and decon expert
Marcus Webb
Handles all ceramic coating applications and post-cure inspections. Trained in both paint protection film and ceramic chemistry — understands what happens at the molecular layer, not just on top of it.
- – Gyeon-trained applicator
- – Paint protection film trained
- – Ceramic chemistry coursework
Credentials that mean something.
IDA Certified
International Detailing Association certified detailers — the only third-party credential in the industry that tests technique and product knowledge.
Gyeon Quartz Certified
Factory-authorized Gyeon ceramic coating installer. Certification requires passing installation inspection and ongoing compliance with product protocols.
RIDS Recognized
Recognized International Detail Specialist program. Continuing education requirement keeps our technique current with evolving paint chemistry and product standards.
Book your
detail today.
Most vehicles are scheduled within five business days. Saturday appointments available for Paint Correction and Ceramic Coating.
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