Reglazing Services

Professional Replacement for Failed, Fogged, or Damaged Commercial Glass Units

Insulated glass units naturally degrade over time. When seals fail and moisture infiltrates the unit, the result is fogging, streaking, energy loss, and structural deterioration. ONE Glass Service provides precise, specification-matched reglazing solutions that restore clarity, efficiency, and long-term performance.

When Reglazing Is Needed

Common signs that your insulated glass unit (IGU) may require replacement include:

  • Fogging or cloudiness between panes
  • Moisture, condensation, or streaking inside the glass
  • Cracked, chipped, or visibly damaged units
  • Seal deterioration or gasket separation
  • Hot or drafty zones near windows
  • Noticeable drop in energy performance


Our certified technicians can assess your building’s glazing to determine whether reglazing or full system replacement is the best long-term solution.

Our Reglazing Process

  • 1. On-Site Assessment
    We inspect the failed unit, identify the cause, gather accurate measurements, and evaluate adjacent glazing systems.
  • 2. Match the Existing System
    We source or fabricate replacement glass that matches thickness, tint, coating, spacer type, and performance specifications.
  • 3. Safe Removal of the Failed Unit
    Our technicians remove the failed or fogged glass while protecting surrounding frames and interior finishes.
  • 4. Precision Installation
    Your new insulated glass unit is installed according to industry standards to ensure proper alignment and performance.
  • 5. Final Seal & Performance Check
    We confirm drainage paths, weather seals, and overall system integrity to ensure a long-lasting repair.

Why Choose ONE Glass Service

Certified Commercial Glazing Expertise

Our technicians are trained specifically for commercial reglazing, ensuring every unit is replaced accurately, safely, and to industry standards.

Exact-Match Glass Replacement

We match tint, coatings, thickness, and performance specifications so your new glass blends seamlessly with the existing system.

Minimal Disruption to Building Operations

Our process is efficient and clean, allowing businesses to remain fully operational throughout the replacement.

Trusted by Denver’s Leading Facility Teams

Property managers, contractors, and building owners rely on us for reliable service, clear communication, and consistent results.

Frequently Asked Questions

What Causes Insulated Glass Units to Fail?

Most failures are caused by broken seals, moisture intrusion, thermal stress, aging materials, or improper original installation.

Once replacement glass is fabricated, most units can be installed in a single visit. Lead times depend on glass type and availability.

Yes. Replacing failed units restores insulation values, reduces heat transfer, and increases overall building comfort.

Our technicians work efficiently with minimal disruption to tenants, foot traffic, or internal business activity.

Absolutely. We specialize in matching tint, coating, reflectivity, thickness, and spacer type for a consistent appearance.

Glazing Systems We Service

  • Storefront systems
  • Curtain wall systems
  • Internally guttered systems
  • Non-load-bearing systems

We diagnose and resolve failures across all major commercial glazing assemblies. We also service point-supported glazing systems and provide replacement for failed or broken units across a wide range of commercial assemblies.

Schedule a Reglazing Assessment

If you have fogged, failed, or damaged units, ONE Glass Service provides the most reliable reglazing solutions in the Denver Metro Area.