B-Line ALU
Experience the epitome of thermal insulation and contemporary design with our B-Line aluminium windows. Engineered to excel in thermal performance, these windows not only keep your space comfortable but also elevate its aesthetic appeal.
Why Choose B-Line Aluminium Windows?
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Superior Thermal Insulation: Say goodbye to energy wastage with windows that prioritize efficiency, keeping your space cozy in the winter and cool in the summer.
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Modern Design: Elevate your home or business with sleek and stylish windows that add a touch of sophistication to any setting.
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Extensive Customization: With over 200 colors and a plethora of additional options to choose from, you have the freedom to personalize your windows to match your unique taste and requirements.
Transform your space with B-Line aluminium windows and experience the perfect blend of functionality and style. Contact us today to explore the possibilities and turn your vision into reality.


Design & Style
Our windows transcend the ordinary, offering a seamless blend from modern flair to traditional elegance, with or without grill options. Whatever your style, OKNO delivers with windows that are as versatile and unique as your personal aesthetic.

Material
Crafted from premium-grade aluminium, our windows boast unparalleled durability and insulation, perfectly tailored to suit your design preferences. At OKNO, we deliver the resilience and energy efficiency of top-tier aluminium in a diverse array of styles to complement any architectural vision.

​Colors
We provide a selection of 200 distinct colors for your consideration, timeless designs that will elevate the architectural aesthetic of your space to new heights.

Design
and beyond
We offer a comprehensive range of customizable components for every nook and cranny, allowing you to personalize your selections. From aluminum colors to handle colors and glass spacer hues, our diverse options empower you to express your unique style with precision and elegance.









And more!
Glass
We provide an extensive selection of glazing options tailored to suit your preferences. From customizable sandblasted glass, allowing for personalized shapes and designs, to Venetian glass designed to enhance privacy, our range offers versatility and sophistication to meet your unique needs.






And more!
Insulation
All of our windows are filled with argon gas to optimize insulation, ensuring superior thermal efficiency. Our advanced design also minimizes sound pollution, surpassing expectations to create a tranquil environment within your space.




Contact
​We’re passionate about creating beautiful, high-quality windows and doors, and we’re always excited to explore new opportunities. Let’s connect and see how we can bring your vision to life.
917.349.8039
