Transom and sidelite assemblies are more than just decorative additions to a space—they are essential components that enhance the functionality, appearance, and value of your property. Whether you’re upgrading your storefront, office, or any commercial or residential property, transom and sidelite assemblies create an inviting and professional aesthetic while improving natural light and energy efficiency.
At DC Commercial Glass Doors and Window Repair, we specialize in the fabrication, repair, and replacement of high-quality transom and sidelite assemblies. With our expertise and dedication to quality, you can trust us to deliver results that meet the highest standards of craftsmanship and functionality.

What are Transom and Sidelite Assemblies?
- Transoms: Transoms are horizontal glass panels placed above doors that enhance the visual height of entrances while allowing additional light to flow into the space. They are available in various designs, including fixed, operable, clear, or frosted options, depending on your needs.
- Sidelites: Vertical glass panels installed on one or both sides of a door, sidelites add width to an entryway, making it feel larger and more welcoming. They also allow for natural light and provide visibility while maintaining privacy through customizable glass options.
Benefits Of Transom and Sidelite Assemblies
Transom and sidelite assemblies are more than just decorative additions—they offer practical benefits that enhance both the functionality and efficiency of your entryway.
Whether for a commercial or residential space, these glass features improve lighting, energy efficiency, and the overall aesthetic appeal of your property. Designed for durability and versatility, transoms and sidelites can be customized to match your specific needs, ensuring a perfect blend of style and performance.
Here’s why these panels are a great investment:
- Enhanced Aesthetics: Transoms and sidelites elevate the look of your entryway, creating a polished and professional appearance.
- Increased Natural Light: These assemblies allow for more natural light to enter your space, reducing energy costs and creating a bright, inviting atmosphere.
- Energy Efficiency: With insulated glass options, transoms and sidelites can improve your property’s energy efficiency by minimizing heat transfer.
- Improved Accessibility: The added light and visibility make entrances more functional and welcoming for visitors and customers.
- Customization Options: Choose from a variety of glass types, frame materials, and designs to complement your property’s unique style.
Lowest Price Guaranteed
If you need to have a window fixed, be sure to give us a call (202) 422-5538 and be prepared to be amazed by our competitive rates.

Our Transom and Sidelite Assembly Services:
- Fabrication: We design and fabricate transoms and sidelites to fit your exact specifications, ensuring seamless integration with your property’s style and architectural needs. With our in-house glass cutting and fabrication capabilities, we eliminate middleman costs, giving you affordable, custom-made solutions.
- Repair: Damaged transoms and sidelites can detract from the appearance and security of your property. Our skilled technicians provide fast and reliable repair services, addressing issues such as cracks, leaks, or damaged frames to restore their functionality and appearance.
- Replacement: Whether you need to update outdated assemblies or replace severely damaged ones, we provide expert replacement services. Our team ensures a flawless installation with minimal disruption to your daily operations.
Who Benefits from Transom and Sidelite Assemblies?
Transom and sidelite assemblies offer both visual appeal and practical advantages, making them a valuable addition to a variety of properties. Whether for commercial or residential spaces, these features enhance lighting, security, and overall design.
Here’s how different industries benefit from transom and sidelite installations:
- Retail Stores: A well-designed entryway boosts foot traffic and enhances customer perception. Transoms and sidelites create an inviting storefront, showcasing your business while allowing natural light to highlight displays. Tinted or frosted glass options add both privacy and style.
- Offices: A modern, well-lit entryway enhances professionalism and creates a welcoming atmosphere. Transoms and sidelites allow natural light to brighten lobbies and hallways while improving energy efficiency by reducing artificial lighting needs.
- Hospitality Properties: Hotels, resorts, and restaurants rely on elegant design to enhance guest experiences. Transoms and sidelites add height and openness, creating a luxurious feel while maintaining visibility and privacy for a comfortable atmosphere.
- Educational Institutions: Schools and universities benefit from bright, secure entryways that improve productivity and safety. Transoms and sidelites reduce the need for artificial lighting while durable, safety-rated glass ensures long-term reliability.
- Residential Properties: Homeowners can enhance curb appeal and brighten interiors with transoms and sidelites. Whether above or beside an entry door, these glass additions create a spacious, elegant aesthetic, with customizable options to match any architectural style.
Why Choose DC Commercial Glass Doors and Window Repair?
- Experience You Can Trust: With over 15 years of expertise in the D.C. area, we are a trusted name for all glass repair and replacement needs.
- Superior Craftsmanship: Our skilled team uses premium materials and advanced techniques to ensure long-lasting results.
- Minimal Downtime: We understand the importance of keeping your business operational. Our team works efficiently to complete projects quickly without sacrificing quality.
- Competitive Pricing: Enjoy premium service at a price that won’t break the bank, thanks to our in-house fabrication and cost-efficient processes.
- 24/7 Emergency Services: Broken glass or damaged assemblies? Call us anytime for prompt and reliable emergency repair services.
Our Working Process
We make it simple and stress-free to get the perfect custom entrance system for your property:
- Consultation: Call us at (202) 422-5538 to discuss your requirements.
- Design: We work with you to design a system that meets your functional and aesthetic needs.
- Fabrication: Our in-house team fabricates every component with precision and care.
- Installation: We install the system with minimal disruption to your daily operations.
- Support: Enjoy ongoing support with our repair, maintenance, and replacement services.

Why Act Now?
Outdated or inefficient transoms or sidelite assemblies can detract from your property’s appearance and compromise security. With our systems, you can elevate your space and create a lasting impression.
Call Us Today!
Transform your property with custom transom and sidelite assemblies from DC Commercial Glass Doors and Window Repair. Whether you need new installations, repairs, or replacements, our team is here to help. Call us at (202) 422-5538 for a free estimate and experience premium quality, exceptional service, and unmatched craftsmanship.
We proudly serve Washington, D.C., 24/7, ensuring that no job is too big or too small. Trust us to enhance your property’s beauty, functionality, and security with expertly crafted transom and sidelite assemblies!
