There’s a fine line between good and great.

With every finished good, we push the boundaries in next-generation manufacturing. With every architectural application, we create new value.

Easy on your eyes, ears and bills.

YKK AP gives you the look you've always wanted with high performance windows and doors. From replacement windows and doors to new construction, YKK AP customers never have to choose when it comes to quality.

YKK AP supports you from sketch to completion.

You can count on tested and proven high-performance facade systems from YKK AP. From impact resistance to energy efficiency, YKK AP gives you more support and design choices to deliver your vision.

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YKK AP, Aluminum fenestration systems, vinyl windows and doors and so much more

Founded more than a half century ago, the Architectural Products division of YKK is a world leader in the manufacture of aluminum building products. Our company philosophy of continual investment in research and development, testing, and production facilities has kept us at the forefront of the industry worldwide. YKK AP is committed to producing architectural products of the highest quality that achieve the standards of the architects and expectations of the client.


Find systems that exceed all aspects of a building’s fenestration requirements.

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Innovation is the cornerstone of our business. From the structural integrity of our products to the exterior finishes, our engineers ensure our products can transition their performance results from the lab into the field.

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Our global strength is in localized service. We leverage the assets and processes of our international company with the detailed knowledge and relationships of our local branches.

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We believe in being a partner, in sharing knowledge, pushing innovation, and broadcasting ideas for the benefit of all. This approach to business is supported by the CYCLE OF GOODNESS™