Project Case Studies
Real before/after work from real DFW properties.
From the field
Selected before/after work from across DFW
Every case study below started as a real call — a corroded riser, a leaking pipe, a yellow-tagged dry system, a fire alarm panel struck by lightning. The photos are ours; the AHJs are ours; the receipts are ours.
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Stonebrook — Strip-Center Shell Install + Ongoing Tenant Finish-Outs
New shell-building sprinkler install for a DFW strip center, with ongoing tenant finish-out scopes as new tenants take occupancy.
Dallas–Fort Worth, TX ongoing
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Arlington — Lightning-Struck Fire Alarm Panel Replacement
A direct lightning strike took out a commercial fire alarm panel and its batteries; Paragon pulled the city permits, replaced the panel, and brought the property out of firewatch.
Arlington, TX 2026
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Extinguisher Cabinets — NFPA 10 Build-Out
Facility was missing required extinguishers and cabinets per NFPA 10 and the local AHJ. Paragon installed the full complement, tagged every unit, and documented placement.
Dallas–Fort Worth, TX 2026
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Failed Backflow — Inspection to Repair to Pass
Inoperable backflow assembly identified at an annual test, repaired with new internals, and retested to a passing TCEQ-compliant report.
Dallas–Fort Worth, TX 2026
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Irving Dry System — 5-Year Inspection + Compliance Restoration
Dry system was yellow-tagged with an unlisted compressor and gunky valves. After Paragon's 5-year inspection and repairs: listed compressor, clean valves, blue-tagged and back in compliance.
Irving, TX 2026
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Riser Room — Corroded Flange & Pipe Replacement
Identified a corroded, leaking riser-room flange, coordinated an underground-main shutoff with the City of Irving, and rebuilt with newly fabricated pipe and fittings.
Irving, TX 2026
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Rosemary — New-Construction Multifamily Sprinkler Install
Full NFPA 13R sprinkler design and install across a new multifamily community in the Dallas–Fort Worth metroplex, tracked from breaking ground through opening day.
Dallas–Fort Worth, TX 2026
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Red Crab — Restaurant Retrofit for Certificate of Occupancy
Floating-ceiling sprinkler retrofit at a new DFW restaurant — required by the fire marshal before the Certificate of Occupancy could be issued.
Dallas–Fort Worth, TX 2025
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Storage Facility — Drum Drip Freeze Damage (24-Hour Emergency)
Drum drip failed during a freeze event at a self-storage facility. Paragon responded same-day, replaced the damaged drum drip, and put the system back into operation.
Dallas–Fort Worth, TX 2025
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Backflow Emergency — Damaged Packing & Bolts
Backflow assembly with damaged packing and bolts identified during emergency response. Paragon relubed the assembly and installed new bolts to bring the device back into service.
Dallas–Fort Worth, TX 2026
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Fire Alarm Module Replacement — Bad Modules to Systems All Normal
Trouble signals on a commercial fire alarm system traced to bad addressable modules; Paragon swapped, programmed, and walked the panel to all-normal.
Dallas–Fort Worth, TX 2026
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Walk-in Cooler — Corroded Sprinkler Head Replacement
Old corroded sprinkler head inside a walk-in cooler swapped for a new head with proper insulation so condensation doesn't repeat the failure.
Dallas–Fort Worth, TX 2026
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Loaded & Corroded Sprinkler Head Replacement
Loaded, corroded ceiling sprinkler head identified during inspection and swapped for a new listed head before it could fail under pressure.
Dallas–Fort Worth, TX 2026
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Fire Extinguisher Recharge & Annual Inspection
Routine annual inspection flagged an extinguisher that needed maintenance and recharge. Paragon recharged the unit, tagged it, and put it back in service.
Dallas–Fort Worth, TX 2026
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Painted-Over Sprinkler Head — NFPA 25 Replacement
Sprinkler head found fully painted over during inspection — a per-NFPA 25 mandatory replacement, swapped for a new listed head.
Dallas–Fort Worth, TX 2025
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Storage Unit — Leaking Sprinkler Pipe Repair
Sprinkler pipe started leaking inside an active storage unit. Paragon fabricated replacement pipe to on-site measurements and had the system back in service the same day.
Dallas–Fort Worth, TX 2025