About GAC Architectural Systems
Construction teams need more than a company that can supply glass or metal. They need a contractor who understands how those systems fit the building, the schedule, and the work happening around them.
About GAC Architectural Systems and Our Glazing Roots
GAC Architectural Systems brings a construction-focused perspective to commercial glazing, façades, architectural metals, railings, and specialty applications. Our roots are in architectural glazing. Today, we work across related scopes where early coordination and disciplined installation matter.
Explore GAC’s architectural glazing and metal facade capabilities, or review project references relevant to your next commercial construction opportunity.
Our focus is commercial construction, supported by contractor qualifications and a practical approach to project delivery. We work with general contractors, construction managers, developers, architects, engineers, and specialty project teams.
Built Around Project Requirements
Budget
Takeoffs, system options, constructability, and value-driven alternates.
Schedule
Lead times, procurement, site access, staging, and sequencing.
Performance
Specifications, design pressures, approvals, attachments, and waterproofing interfaces.
Responsibility
Clear ownership of technical decisions, field coordination, and closeout.
Glazing, metal façades, and related assemblies require clear interface coordination
Related Systems. Clear Scope Responsibilities.
From curtain wall and storefront to custom metal façades and glass railings, every scope has distinct requirements. GAC reviews the relationships between systems, structure, waterproofing, adjacent finishes, and field sequencing so the project team can make informed decisions.
We support commercial and multifamily buildings, hospitality and mixed-use projects, institutional facilities, and select architecturally significant residences.
Architectural Glazing
Architectural Metals and Façades
Glass and Architectural Railings
Coordination From Preconstruction Through Closeout
We start by understanding the project. Plans, specifications, performance requirements, budgets, delivery dates, and field conditions shape the systems we recommend for review.
That work continues through design-team coordination, shop drawings, manufacturer discussions, procurement, access planning, installation, quality control, and closeout. The purpose is straightforward. Resolve important questions while there is still time to make good decisions.
Technical coordination and field execution
Manufacturer coordination and fabrication
Experience and Qualifications
GAC maintains a COMPASS qualification profile for project-team review. Licensing, insurance, bonding capacity, association memberships, and safety documentation should be confirmed against current records for each project.
Years of Construction Experience
Florida Certified General Contractor
Qualification profile for contractor due diligence
Preconstruction, procurement, field coordination, and project closeout
Associated Builders and Contractors
Construction Executives Association
Leadership Grounded in Construction
GAC leadership draws on architectural glazing installation, general contracting, construction management, and commercial project delivery. That combination keeps discussions grounded in technical requirements, project budgets, and jobsite conditions.
Darren Christian
Darren brings corporate discipline and construction experience. A University of Illinois economics graduate, he began his career with Hershey Chocolate USA before moving into construction in Chicago.
He now leads GAC’s commercial focus across glazing, façades, metals, railings, and project delivery.
Alejandro Vargas
Alejandro brings more than 30 years of construction experience, including large-scale window, door, and curtain wall installation.
He supports system selection, field coordination, safety, schedule, and quality with architects, general contractors, and developers.
People Responsible for the Details
Commercial work depends on people who follow the details. GAC support functions span preconstruction estimating, project management, procurement, field coordination, administration, and construction technology. Builders should know who handles technical questions, materials, scheduling, and field execution.
Sofia Delgado
Operations, administration, client communication, and internal workflow.
Camila Restrepo
Commercial bids, takeoffs, pricing, and estimating coordination.
Lucía Torres
Detailed takeoffs, pricing, proposals, and project documentation.
Carlos Mendoza
Schedules, permitting, installation, coordination, and closeout.
Mateo Rivera
Field coordination, schedule, installation quality, and project closeout.
Valeria Navarro
Manufacturer sourcing, purchasing, lead times, and delivery tracking.
Adrian Castillo
IT systems, AI automation, integrations, and secure data workflows.
Work With GAC on Your Next Project
Bring GAC into a project when you are comparing systems, developing a budget, preparing a bid package, or resolving an architectural detail. Share the plans, location, schedule, and expected scope so we can review the opportunity and identify the next step.