Frequently Asked Questions

Steel windows and doors are regarded as luxury architectural elements because of their craftsmanship, customization, durability, and design sophistication. Each system is typically fabricated to order, engineered for exact openings, and finished with premium finishes and hardware. Their narrow sightlines and elegant proportions create a level of refinement that is difficult to achieve with vinyl or standard aluminum systems.

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Yes, we offer many finish options on all orders.

Yes, we offer color options on all custom orders.  We offer matte black on in-stock units.

Yes, we also manufacture stainless steel windows and doors. They can be finished in the same colors and finishes as our standard steel products.

Yes, we offer smart glass for select custom steel windows and doors. Smart glass can transition from clear to private at the touch of a button, providing flexible privacy without the need for curtains or blinds. Our team can help determine the best glass configuration and technical requirements for your project.

Low-E 3 glass is available with our steel windows and doors to improve energy efficiency and reduce heat transfer. Its transparent coating reflects up to 90% of harmful UV rays while allowing natural light pass through, improving comfort and year-round performance.

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Yes, on all exterior units, we use Low-E 3.  Low-E 3 is required by code in most municipalities.

All of our exterior units feature double-pane glass, with spacing that varies depending on the size and thickness of the pane. While building codes dictate tempered glass in certain applications, we exceed those standards by using tempered glass across all of our products. This ensures enhanced safety, exceptional strength, and lasting performance.

Usually interior units are single pane, tempered glass, but of course, we can do whatever you require on custom orders.

We install locally in the Atlanta area for new construction projects. We have a team of expert installers will provide an exceptional installation process for your project. If your project is outside the Atlanta area, we can provide an installation guide for your carpenter or handyman.

We provide detailed shop drawings with every project so you know the exact dimensions of your unit. Standard measurements are taken from the outside of the jamb to the outside of the jamb, and from the bottom of the threshold to the top of the header. If you have any questions about how measurements are taken, our team is happy to walk you through the process.

Yes, we provide directions on how to install, and we are available anytime to help by phone, email or text.

Depending on the size of the unit, most installations can be completed by a two- or three-person crew. Installation time varies by project, but our steel windows and doors are designed for an efficient installation process.

Our doors and windows have predrilled holes for fastening to the structure.  You just screw or bolt them in, and when finished, caulk the hole and install the included plastic caps.

Yes, while we specialize in residential steel windows and doors, our products also work well for commercial applications. We have done commercial steel exterior doors with glass and commercial interior office doors for several clients.

For many luxury homeowners, steel windows and doors represent both a design statement and a long-term architectural investment. Steel offers unmatched strength, longevity, and visual elegance, allowing for expansive glass openings and exceptionally slim sightlines. In addition to enhancing curb appeal and natural light, custom steel systems can contribute to lasting home value and timeless architectural character. Read more about how steel windows and doors can increase the value of your home here.

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Yes. Stellar Windows & Doors offers thermally broken steel window and door systems designed to deliver exceptional energy performance without compromising the refined aesthetics of luxury steel architecture. Thermally broken steel windows incorporate an insulating barrier within the steel frame to reduce heat transfer and improve overall thermal efficiency. This advanced technology enhances interior comfort, minimizes condensation, and supports energy-conscious home design while preserving the slim sightlines and elegant profiles steel windows are known for. Thermally broken systems are especially beneficial in climates with significant seasonal temperature variation. Click here to read more about the benefits of thermally broken steel windows and doors.

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Steel windows offer significantly greater structural strength than aluminum, allowing for thinner frames and larger expanses of glass. This creates the refined, minimal sightlines often associated with luxury architecture. While aluminum windows are generally more economical, steel provides a distinctive aesthetic, exceptional longevity, and a level of craftsmanship favored by architects and luxury homebuilders.

The cost of custom steel windows and doors varies depending on size, configuration, glazing specifications, hardware selections, finishes, and installation complexity. Because steel systems are high-end architectural products, pricing is typically higher than conventional window materials. However, many homeowners and architects view steel as a long-term investment due to its durability, timeless design, and impact on overall property value.

Architects often specify steel windows and doors for their clean lines, narrow profiles, structural performance, and timeless versatility. Steel and glass complement a wide range of architectural styles, from contemporary homes to historic renovations, while enabling larger glass openings and precise detailing. Its strength allows architects greater design freedom without compromising elegance or durability.

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Properly fabricated and maintained steel windows and doors can last for generations. Steel is one of the most durable architectural materials available, offering exceptional resistance to warping, cracking, and structural fatigue. Many historic steel windows installed decades ago remain operational today, demonstrating the material’s remarkable longevity.

Yes, our products are backed by a comprehensive warranty. Warranty details are available upon request, and our team is happy to provide the full coverage information for your specific product.

Yes. Our exterior units use double-pane, Low-E 3 glass to reduce heat transfer and block up to 90% of harmful UV rays. For added performance, we also offer thermally broken units, which insulate the steel frame itself to minimize heat loss and condensation, especially useful in climates with big seasonal swings.

Yes, we stock many products and styles. Click here to view our available inventory.

We do not manufacture screens; however, we work with trusted third-party suppliers who can provide custom screens for our windows and doors. Screens are quoted separately and are not included unless specifically requested.

We do not accept returns for custom orders.

We accept returns for in-stock units with 45 days for a refund, minus a 25% restocking fee. The unit needs to be packed in the original crate.

Please contact us prior to return. Return shipping charges are the responsibility of the customer.

Our lead time for custom steel windows and doors is 90-120 days.

We ship in-stock orders out within 1-2 weeks. Your email and phone number are given to the third-party shipper so they can contact you to arrange the delivery.

Yes, talk to your representative about getting your product to you quicker.

Yes, we ship everywhere in the United States.

Absolutely. While steel windows and doors are frequently associated with modern architecture, they are equally well-suited for traditional, transitional, and historic homes. Steel’s slender profiles and classic proportions have been used in architecture for over a century, making them ideal for projects seeking both timeless character and contemporary performance. Stellar Windows and Doors offers a variety of customization options to beautifully fit any home style.

Yes. One of steel’s greatest advantages is its structural strength, which allows for expansive glass openings with minimal framing. This makes steel ideal for oversized fixed windows, multi-slide door systems, pivot doors, and dramatic indoor-outdoor living spaces often featured in luxury residential architecture.

We have three different styles, Stellar Classic™, Stellar Bold™, and Stellar Slimline™. If you don’t see the style you are looking for, ask us about customization.

Yes, while we stock all our standard styles, we can make anything you can imagine.

Absolutely. We keep a selection of pivot doors and wrought iron doors in stock for faster lead times, while the majority of our products are custom made to order. From custom steel front doors and pivot doors to windows and specialty systems, we can design and manufacture virtually any configuration to match your project's architectural style and specifications.

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If you have a photo, or a drawing (no matter how bad) we can match it and provide a shop drawing. We recommend using pinterest for design inspiration, or you can take a look at our gallery.