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Glass Addition Sunroom
Let the Sunshine In.
Long Island's specialist in glass sunrooms, motorized roof systems, and architectural glazed wall solutions since 2003.
BBB Accredited
Better Business Bureau
21+ Years
Industry Experience
BBB Accredited Business
Nassau & Suffolk Counties, NY
About Us
Expanding Living Spaces with Architectural Glass
Glass Addition USA has been Long Island's trusted specialist in glass enclosures and architectural solutions for more than two decades. We serve residential homeowners and commercial clients throughout Long Island and the greater New York area.
Our product lineup includes motorized louvered roof systems, folding glazed wall systems, solariums, and custom glass enclosures installed by experienced professional crews.
21+
Years of Experience
500+
Completed Projects
2
Service Counties
100%
Client Commitment
Our Products
Architectural Glass Systems
European-engineered glass systems installed by experienced local crews and designed for lasting performance.
Why Choose Us
The Glass Addition Difference
We combine European product quality with local experience, dependable installation, and professional customer support.
Premium Quality Materials
European-engineered glass and aluminum systems selected for durability and long-term performance.
Professional Installation
Experienced in-house installers provide precise, clean, and dependable workmanship.
Two Decades of Expertise
More than 21 years of experience serving homes and businesses throughout Long Island.
Reliable Customer Support
Professional support from the first consultation through installation and after-service.
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Recently Added Projects
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Trusted by Long Island Clients
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Get Started Today
Ready to Transform Your Space?
Contact our team for a free, no-obligation consultation. We serve Nassau and Suffolk Counties throughout Long Island and the greater New York area.
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