ALT C48 aluminum window and door system in Atlanta, GA
Glass Inc’s ALT C48 window and door system brings durability, versatility, and clean modern lines to residential and commercial properties across Atlanta, GA. Engineered and produced at our facility on Glen Iris Drive since 1956, C48 stands apart for its quality and adaptability. Whether you need tilt-and-turn windows for better ventilation, balcony doors with expansive views, or automated entrances for high-traffic spaces, the C48 line handles Atlanta’s hot summers, humid conditions, and occasional severe storms with ease.
Built from high-grade aluminum, these doors and windows hold up under heavy daily use and Georgia’s temperature swings without losing their visual appeal. Improved insulation, acoustic control, and smooth indoor-outdoor transitions make C48 a long-term investment in comfort and design. Whether for commercial glass projects, residential installations, or pairing with our storefront systems, Glass Inc delivers reliability backed by seven decades of experience. Call (404) 873-6991 for a free estimate or request a quote online.
Aluminum windows and doors built in Atlanta
The ALT C48 window and door system unites sleek visuals with dependable function. Tilt-and-turn windows promote better airflow during Atlanta’s warm months, while secure entry doors handle daily foot traffic in Midtown offices and Buckhead retail spaces alike. Whether it’s an office remodel on Peachtree Street or a new home build in Druid Hills, C48 adapts to the project at hand.
At Glass Inc, we know no two structures are the same. Our locally manufactured C48 profile can be tailored to match a wide range of architectural themes, from historic renovations in Inman Park to contemporary builds in Atlantic Station. Choose from multiple finishes, hardware configurations, and glass types -- including Low-E and insulated options suited to Georgia’s climate. Pair C48 windows with our ALT W62 or ALT W72 systems for larger-scale projects that demand maximum thermal performance.
Impressive thermal performance
The ALT C48 system minimizes heat transfer and moisture penetration -- critical in Atlanta where summer temperatures regularly exceed 90 degrees and humidity stays high. Dual-glazed or insulated glass options further stabilize indoor temperatures, reducing the load on HVAC systems and lowering monthly utility costs.
Whether you’re installing bay windows in a living room or hopper windows in a commercial office, each C48 unit supports a more balanced, climate-controlled interior. That performance advantage matters year-round in Georgia, from July heat waves to January cold snaps.
Diverse layout options
From spacious picture windows that flood a room with natural light to compact awning windows that provide ventilation in tighter spaces, ALT C48 caters to myriad design requirements. Looking for hands-free solutions in public or commercial zones? Consider automatic doors or motorized sliding units to enhance convenience and manage traffic flow.
If your goal is to showcase views or introduce grand architectural statements, C48 supports oversized window formats and sweeping balcony doors. This adaptability, combined with robust engineering, makes it straightforward to integrate the system into virtually any layout - ensuring function and flair go hand in hand.
Longevity and easy upkeep
The C48 line uses premium, corrosion-resistant aluminum that stands up to Atlanta’s humidity and occasional storm-driven debris. Paired with high-quality hardware and dependable seals, these doors and windows open and close reliably even under heavy daily use. That durability means fewer repair calls and lower maintenance costs over the life of your property.
This resilience extends to balcony doors and swing in/out doors, where consistent operation is essential. By choosing C48, you get an aluminum system that’s practical and visually clean -- backed by our dedicated production team at 510 Glen Iris Dr NE, Atlanta, GA 30308.
Security blended with design
Every C48 unit reflects Glass Inc’s commitment to safety. Reinforced frames, multi-point locking systems, and the option for laminated or impact-resistant glass all work together to deter break-ins and protect occupants. You get the system’s refined look without sacrificing peace of mind.
Whether it’s new construction windows in a Sandy Springs family home or custom doors in a busy Midtown restaurant, ALT C48 delivers security you can count on. Because C48 is produced right here in Atlanta, you benefit from local expertise and fast, responsive service.
Glass pricing for this product
Cut-to-size glass starts at $10/sqft. Tempered safety glass $12-$38/sqft. Insulated units $26-$42/sqft. Use the calculator for an instant per-piece estimate.
Ideal for residential and commercial projects
The ALT C48 system complements properties across a variety of scales, from private residences seeking unique window shapes to large commercial complexes needing dependable door solutions. Produced at our Atlanta facility, it brings elevated design and daily functionality to homes, offices, restaurants, and more. Residential homeowners appreciate minimal maintenance and the option for stylish swing in windows or tilt-and-turn designs, while commercial clients benefit from robust frames and potential motorized doors that support heavy use. By merging design freedom with structural resilience, C48 stands as a top choice for projects requiring both immediate aesthetic enhancement and lasting performance.

Customizable to fit your aesthetic
Glass Inc takes pride in bringing your vision to life through the adaptable ALT C48 system. Personalize everything from color palettes and decorative trims to hardware finishes and specialized glazing - ensuring the final result aligns perfectly with your design objectives. Whether it’s discreet awning windows for a refined façade or bold automatic sliding doors for a bustling commercial entry, the C48 line caters to varied tastes. Need dual glazed windows to enhance insulation? Or a motorized solution to simplify daily operations? Let our team collaborate with you on each detail. With local manufacturing in Atlanta, GA, our commitment to delivering precision and quality shines through in every final installation.

Built for sustainability and long-term value
Produced using recyclable aluminum and mindful manufacturing processes, the ALT C48 system reflects a forward-looking perspective that aligns with eco-friendly ideals. Elevated insulation and sturdy frames can help reduce energy waste, supporting lower utility demands. Furthermore, C48’s focus on durability reduces the likelihood of frequent replacements, aligning with sustainable building practices and minimizing environmental impact. Developers aiming for green certifications or homeowners simply wanting a smaller carbon footprint will find C48 an ideal match - delivering style and efficiency in equal measure. Produced in Georgia, C48 continues Glass Inc’s tradition of offering solutions that empower property owners to invest in both aesthetic appeal and responsible construction.

ALT C48 System FAQs
What is the ALT C48 window and door system?
The ALT C48 is a premium aluminum window and door system featuring versatile configurations including casement windows, tilt-and-turn windows, awning windows, swing doors, and sliding doors. Made with high-quality aluminum profiles and advanced thermal technology, C48 offers excellent energy efficiency, security, and design flexibility for both residential and commercial applications. It's locally manufactured in Atlanta, GA.
Is the ALT C48 system energy efficient?
Yes, the ALT C48 system is highly energy efficient. It features thermally broken aluminum profiles that minimize heat transfer, plus compatibility with double or triple glazed insulated glass units. The system meets modern energy codes and can significantly reduce heating and cooling costs. Low-E glass coatings and argon gas fill options further enhance thermal performance for Georgia's climate.
What window styles are available with ALT C48?
ALT C48 offers multiple window configurations including casement windows (side-hinged), tilt-and-turn windows (European-style with dual operation), awning windows (top-hinged), fixed picture windows, and combination units. Each style can be customized in size, finish, and glazing options. The system also includes matching doors for cohesive design throughout your project.
Can ALT C48 be used for both homes and businesses?
Absolutely. ALT C48 is designed for versatility across residential and commercial applications. Homeowners appreciate the modern aesthetics, energy efficiency, and low maintenance. Commercial clients value the durability, security features, and ability to handle high-traffic applications. The system works well for offices, restaurants, retail spaces, and multi-family developments.
How does ALT C48 compare to standard aluminum windows?
ALT C48 offers significant advantages over standard aluminum windows including thermally broken profiles for better insulation, heavier-duty construction for longevity, enhanced security hardware, larger glass area for more natural light, and superior weather sealing. While it costs more initially, the energy savings, durability, and aesthetic appeal provide excellent long-term value.
Ready to upgrade to ALT C48?
Glass Inc has been manufacturing and installing aluminum window and door systems in Atlanta since 1956. Whether you need picture windows, balcony doors, or motorized entries, C48 handles it all. Call (404) 873-6991 for a free on-site estimate, or visit our facility at 510 Glen Iris Dr NE, Atlanta, GA 30308 to see C48 profiles in person.