Why Glazing Projects Live and Die by Lead Times
Glazing and curtainwall contractors face a challenge that few other specialty trades deal with at the same scale: the fabricated product they install cannot be ordered until shop drawings are approved, and lead times from glass fabricators routinely run 10 to 14 weeks for custom insulated glass units (IGUs). On a compressed commercial schedule, that means the submittal process must start immediately after contract award — and any delay in the shop drawing review cycle directly threatens the installation date.
According to the American Architectural Manufacturers Association (AAMA), submittal review delays account for a significant share of glazing installation schedule overruns on commercial projects, particularly for high-performance curtainwall systems with custom coatings, structural silicone, or specialty glass specifications. For glazing contractors, managing the submittal-to-fabrication pipeline is not a background task — it is the core of pre-construction project management.
What a Glazing Contractor VA Manages
A virtual assistant trained in glazing contractor administration owns the submittal tracking and order coordination workflow from award through delivery. On the submittal side, the VA prepares and logs shop drawing submittal packages by elevation and system type, submits them through the GC's project management platform (Procore, e-Builder, or PlanGrid), tracks review status, logs Architect's Supplemental Instructions (ASIs) and Request for Information (RFI) responses that affect the submittal, and coordinates revision cycles when the architect returns comments.
This tracking function is critical because glazing contractors often have multiple submittal packages in review simultaneously — storefront, curtainwall, entrance systems, and specialty glazing may each follow a separate submittal path. Without a dedicated tracker, packages get lost in the queue and fabrication releases get delayed.
Glass Order Coordination: Bridging the Office and the Fabricator
Once shop drawings receive a "Reviewed — Fabricate as Noted" or "No Exception Taken" stamp, the fabrication release must go to the glass supplier immediately. Any delay between approval and release adds directly to the lead time. The VA manages this release process: confirming approval status, generating the fabrication release documentation, and transmitting it to the supplier with the approved shop drawing package attached.
The VA then maintains a glass order log — tracking each order by elevation, unit type, quantity, supplier order number, promised delivery date, and confirmed delivery date. As fabrication milestones approach, the VA follows up with suppliers to confirm on-time delivery and flags any lead time concerns to the project manager so installation windows can be adjusted before the GC is impacted.
Glass delivery coordination also requires site readiness checks. The VA communicates with the GC's schedule to confirm that the receiving area will be accessible, crane picks are scheduled, and the field crew is mobilized for the delivery date. This proactive coordination prevents expensive re-deliveries and storage costs.
The Financial Stakes of a Missed Glass Lead Time
On a $3 million curtainwall project, a four-week delay in glass delivery can cascade into $50,000 or more in extended general conditions costs charged back to the glazing contractor by the GC under the subcontract's delay provisions. That figure does not include the glazing contractor's own crew downtime during the wait period.
The Glass Association of North America (GANA) has documented that lead time miscommunication between the design team, GC, and glazing contractor is one of the most preventable causes of project delay in the commercial glazing segment. A VA who maintains a current submittal and order log eliminates the most common source of that miscommunication.
Stealth Agents provides virtual assistants experienced in specialty contractor project administration who can integrate into Procore, Submittal Exchange, and supplier coordination workflows to keep glazing and curtainwall projects on schedule.
Sources
- American Architectural Manufacturers Association, "Commercial Glazing Project Administration Best Practices," aamanet.org, 2024
- Glass Association of North America, "Lead Time Management in Commercial Glazing Projects," glasswebsite.com, 2025
- U.S. Bureau of Labor Statistics, Glaziers: Occupational Outlook Handbook, 2025