Categories
Solutions for the Global Window & Door Industry
With a legacy of innovation and a pioneering spirit, Quanex is the global leader in fenestration components. We make homes and buildings healthier, more comfortable, more sustainable and the lives of people who use them better. From insulating glass (IG) spacers and vinyl profiles to door and window screens, we’re striving to build a brighter future for our customers and communities everywhere one solution at a time.
WE ARE MORE THAN JUST ANOTHER SUPPLIER.
When you work with Quanex, you get more than a product. Through our partnership approach, we deliver resources to help our customers grow, improve quality and boost efficiencies in their fenestration businesses. Every solution is backed with:
- Tailored customer service
- Product, design and engineering expertise
- Manufacturing equipment solutions
- Custom line layouts and production planning assistance
- Product training
- Production auditing services
- Marketing support
HEAR FROM OUR PARTNERS
The Power of Partnerships
Whether we’re providing on-site technical support, collaborating to develop new products, or helping customers achieve greater production efficiencies, a partnership with Quanex means we put you at the center of everything we do. Hear from our partners and teammates as they share how they are A Part of Something Bigger®!
Video Library
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Quanex + Viwinco Videos
Hear from our partners at Viwinco Windows as they share their experience working with Quanex during the launch of their new glass shop
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Quanex + MITER Brands
MITER Brands shares their perspective on the value that a solid partnership with Quanex brings to their business.
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Edgetech | A Part of Something Bigger
With two Edgetech locations in the UK and Germany, our reach extends far and wide, allowing us to distribute our warm-edge flexible spacer systems to customers all around the globe.
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Liniar | A Part of Something Bigger
Learn about Quanex subsidiaries Liniar and Avantek, and our uPVC production facility in the U.K. making high-performing window and door profiles.
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Quanex + Viwinco Videos
Hear from our partners at Viwinco Windows as they share their experience working with Quanex during the launch of their new glass shop
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Quanex + MITER Brands
MITER Brands shares their perspective on the value that a solid partnership with Quanex brings to their business.
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Edgetech | A Part of Something Bigger
With two Edgetech locations in the UK and Germany, our reach extends far and wide, allowing us to distribute our warm-edge flexible spacer systems to customers all around the globe.
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Liniar | A Part of Something Bigger
Learn about Quanex subsidiaries Liniar and Avantek, and our uPVC production facility in the U.K. making high-performing window and door profiles.
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For Our Customers
We are not just another manufacturing company, we are A Part of Something Bigger®!
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Our Customers are Indispensable
What we make is vital. The people behind it are crucial. The customers we serve are indispensable. We are Quanex!
North American fenestration
Get an informational overview of our North American Fenestration business, including insight into future innovation and growth opportunities.
WINDOW & DOOR SYSTEMS
Superior energy performance & long-term durability
We’re a premier provider of commercial and residential vinyl window and door profiles designed to our customers’ specifications and regional needs. Our proprietary MikronBlend® Vinyl compound is formulated to withstand the toughest weather conditions and meet the industry’s most stringent standards. We use it exclusively in all of our Mikron products, and it is engineered to be exceptionally consistent—batch after batch.
With a complete range of high-performance systems, we can help you achieve:
- Outstanding thermal performance to meet the toughest standards
- Color and material finishes to suit any aesthetic need
- Unmatched weatherability in extreme cold and high-heat environments
- Impact ratings for hurricane-prone areas
- Effective sound control for areas prone to noise pollution
Uncompromising Performance
From homes and multifamily units to demanding commercial applications, Quanex window systems are found wherever outstanding performance is a requirement.


Delivering outstanding thermal performance around the world
OPTIMIZE YOUR IG PRODUCTION
PROVEN PERFORMANCE YOU CAN COUNT ON
Producing quality, consistent IG units isn’t always easy—but it can be with Quanex. In addition to our warm-edge spacer technology, we offer a suite of fenestration services developed specifically to optimize your manufacturing process.
Equipment Support
Our spacers are highly complementary to the latest IG manufacturing strategies. We work with every leading manufacturer of IG production equipment, from manual tools to fully automated, high-speed production lines, to help you get the most from your production.
Line Layouts
Our experts can help you optimize from your plant floor space with production flow strategies suited to your needs and your available floor space.
Training
Our experienced teams can provide on-site, hands-on training to equip your teams with established best practices for manufacturing quality IG.
Quality Audits
Our Technical Services team can help you be confident every unit that comes off your line is up to your quality standards with regular audits. We evaluate your entire fenestration process and help identify areas for improvement.
reliable and long-lasting
WINDOW & DOOR SCREENS
COMPLETE CUSTOMIZATION
We provide a streamlined product selection of the most popular homeowner-requested screen features, along with complete customization for your product line. It’s all backed by the highest levels of service and expertise with each order, including:
- A wide selection of profiles, colors, handles and meshes to match customer preferences
- Logistics support to ensure you get your screens in sequence with your production
- Freedom to use your screen production floor space for other higher-value tasks
- Reduced stress on your staff resources to produce window and patio door screens
- Elimination of raw materials and finished goods inventory with just-in-time delivery
When it comes to outsourcing, we’re experts on screen production. Plus, we adhere to all of your quality controls and preferences—it’s as if they were made in-house, without the hassle of the required floor space and overhead.