Custom Doors & Entrances in Illinois
Tailored Commercial Doors & Entry Systems Built to Last
Northern Glass Inc. designs, fabricates, and installs custom door and entrance systems for commercial buildings. From all-glass entrances to aluminum-framed swing and sliding doors, we deliver durable, code-compliant entry solutions that align with project aesthetics and performance needs.
Designed to Meet Your Building’s Needs
Entry systems are one of the most visible and high-traffic elements in any commercial property. Northern Glass Inc. fabricates custom doors and entrances that balance form and function—meeting design specifications, ADA accessibility requirements, and long-term durability standards.
Our solutions include manual and automatic doors, thermally broken frames, and high-performance hardware packages. We collaborate closely with architects and contractors to ensure every entrance system is fully integrated into the surrounding glazing and framing.
How We Deliver Custom Door & Entry Systems?
Our door and entrance systems are fabricated and installed with attention to detail at every step, ensuring they perform reliably from day one.
Our process includes:
Preconstruction Review
We assess project drawings and entrance system needs early to flag design and compliance considerations.
System Detailing
Shop drawings are developed in coordination with door hardware suppliers, architects, and consultants.
Fabrication of Frames & Panels
Aluminum frames and glass panels are custom-fabricated in-house to match exact size, finish, and system specs.
Field
Installation
Installed by experienced glaziers with deep familiarity in storefronts, swing doors, sliders, and custom entry types.
Final Alignment & Function Testing
We test every entrance system for alignment, smooth operation, and code compliance before closeout.
Why Northern Glass Inc.
Is a Trusted Door Partner?
Doors and entry systems demand precision, durability, and integration with the entire building envelope. Northern Glass Inc. brings the experience and in-house control needed to deliver results.
Custom Fabrication In-House
Door frames and panels are built in-house for superior quality control and finish consistency.
Code & ADA Knowledge
Our systems are designed with full awareness of accessibility, egress, and energy codes.
Versatility Across Entry Types
We handle everything from heavy-use swing doors to automated sliding entrances.
Reliable Install Coordination
Install sequencing is aligned with the surrounding storefront and curtain wall systems to reduce site issues.
Durability & Performance Focused
Our doors are built to perform under daily use and changing weather conditions without compromise.
Let’s Open the Right Door for Your Next Project
Whether it’s a signature glass entry or a secure aluminum-framed door system, Northern Glass Inc. delivers custom entrance solutions that elevate your commercial space.