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Commercial Roof Coating — Warehouse District, Houston

A 15,000 sq ft commercial flat roof restoration using silicone roof coating that extended the roof's life by 15+ years while reducing energy costs — at a fraction of full replacement cost.

Project Details

  • Location: East Downtown (EaDo), Houston TX
  • Roof Size: 15,000 sq ft (flat/low-slope)
  • Existing Roof: Modified bitumen, 18 years old
  • Coating: Silicone roof coating system (2-coat)
  • Duration: 4 days
  • Warranty: 15-year manufacturer material warranty

Scope of Work

  • Complete roof surface cleaning and pressure washing
  • Repair of 6 areas with ponding water damage
  • Seam and flashing reinforcement with polyester fabric
  • Two coats of high-solids silicone roof coating (30 dry mils)
  • Reflective white finish for Energy Star compliance
  • Drain and scupper clearing and waterproofing

The Challenge

The building owner faced a difficult decision: the 18-year-old modified bitumen roof had multiple seam failures and ponding water areas, but a full flat roof replacement would cost $120,000+ and require 2-3 weeks of disruption. The substrate was still structurally sound — only the waterproof surface had degraded.

Our Solution

After a thorough commercial roof inspection including core cuts, we recommended silicone roof coating restoration. Silicone was chosen over acrylic because it performs in ponding water conditions — critical for Houston flat roofs. The reflective white finish also reduces cooling loads significantly.

Results

Completed in 4 days with zero disruption to warehouse operations. Total cost was approximately 40% of full replacement. The owner reported 15% reduction in summer cooling costs. The coating can be recoated at end of warranty, potentially extending roof life to 40+ years without full replacement.

"Our warehouse roof was leaking in multiple spots and we were quoted $180,000 for full replacement. Tell Project applied the silicone coating for a fraction of that cost. Two years later — zero leaks, and our AC bills are down 22%."

Richard T., Property Manager — East Downtown, Houston TX | Commercial Roof Coating

Key Takeaways

Cost-Effective Alternative

Roof coating restored this 18-year-old commercial roof at roughly 40% of full replacement cost, while adding 15+ years of service life. For budget-conscious property owners, roof coatings often make more financial sense than tear-off.

Energy Savings Are Real

The reflective white silicone coating reduced rooftop surface temperatures by up to 50°F on peak summer days, directly lowering HVAC loads and energy costs by an estimated 20-25%.

Minimal Business Disruption

Unlike full replacement, coating application requires no tear-off debris, no loud equipment during business hours, and no building closure. This warehouse stayed fully operational during the entire 4-day project.

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