DM Windows manufactures premium European UPVC and Aluminum window systems — with projects across the Hamptons, tri-state area and the US coast.
What We Do
Steel-reinforced frames, multi-point locking, mahogany foil and custom RAL finishes. Engineered for coastal performance.
Explore UPVC →Floor-to-ceiling glass walls, 4-panel lift & slide, tilt & turn, and custom window wall configurations.
Explore Aluminum →Arch-top inswing, French doors, folding and sliding entry systems — fabricated to your exact specification.
Explore Doors →Why DM Windows
We bring the best European systems directly to the US — with a dedicated fabrication factory in Poland and 10+ years manufacturing for the Hamptons, tri-state area, and the entire US coast.
Quality other Hamptons dealers simply can't match.
From plans analysis through shop drawings.
Low-E argon glass built for the Hamptons climate.
Wide range of finishes, glass, and configurations.
System Partners
How It Works
We review your architectural drawings and identify the ideal system configuration.
We navigate products, finishes, glass specs, and hardware to match your vision.
Every unit manufactured to exact spec at our Poland factory, quality-checked before delivery.
Our team ensures a flawless install. We don't leave until the job meets our standard.
Give us a call or drop us an email — a DM Windows sales rep will get in touch as soon as possible.