Vinyl Systems, IG Systems, Screens Solutions

Quality solutions for every step in your journey

Quanex is here to help you in all aspects of building your fenestration business with the quality products your customers want, the productivity-enhancing solutions you need and the expert R&D, marketing and technical support to help drive your business forward. Explore each section below to learn more about our products, services, and solutions for your every need.

Learn more about Dual Seal Spacers
Learn more about Single Seal Spacers
Explore our Window and Door Profiles
Quanex has Screens solutions

Insulating Glass Systems

Quanex IG Spacers takes a 360-degree approach to helping you achieve your goals with our industry-leading Super Spacer® and Dura Platform warm-edge spacer products.

Making insulated glass units?

Get optimal durability and performance with Super Spacer®, our true dual seal warm-edge spacer line for residential and commercial applications.

Super Spacer® TriSeal™

Super Spacer® TriSeal™ is the premium choice for all your commercial insulating needs including silicone structural glazing.

Super Spacer TriSeal™ provides a unique triple seal design which:

  • Incorporates an inner acrylic adhesive seal for immediate unit handling
  • Has a polyisobutylene primary seal for enhanced gas retention and low moisture vapor transmission
  • Customer applied outer silicone seal for proven structural strength and superior durability

Super Spacer® Premium and Premium Plus Enhanced

Super Spacer® Premium Enhanced delivers outstanding performance with high-quality silicone material and desiccant, all while featuring a narrow sightline—a preferred choice among designers and architects for beautiful aesthetics.

Extruded as a high-quality silicone warm-edge spacer with integrally incorporated desiccant, Super Spacer® Premium Plus Enhanced features a flexible matrix that works together with a vapor barrier and secondary sealant to keep moisture out and argon gas in.

Super Spacer® Standard

Super Spacer® Standard is a flexible warm-edge spacer that features:

  • Edge-seal durability
  • Multilayer vapor barrier and acrylic adhesive
  • Superior argon gas retention

Learn more about our Dual Seal Spacers →


Duralite® and Duraseal® Warm Edge Spacers

Ideal for high-volume production of dual- and triple-pane insulating glass units, Duralite® and Duraseal® spacers are patented warm-edge spacer systems that are applied in a single step using heat and minimal compression.

Learn more about our Single Seal Spacers →


Explore our Window and Door Profiles

Quanex is a premier provider of commercial and residential vinyl window and door profiles designed to our customers’ exacting specifications and regional needs. With a variety of systems, finishes and accessories, we can help you design your next-generation systems.

Window Profiles

Whether it’s a full window system or one part of your design, all Quanex extrusions are engineered to provide superior energy performance and long-term durability featuring our proprietary MikronBlend® vinyl compound.

Learn more about Window Profiles →

Door Profiles

The door frame is a key consideration when designing for efficiency. Proven around the world, our hybrid-reinforced vinyl products for commercial and residential applications are time-tested in the field to provide strength and improved thermal efficiency over competitive materials.

Explore Door Profiles →

Window and Door Screens

Save space, money and the headaches of window and door screen production by working with the experts. Quanex Screens has one of the largest selections of options that are built to last and meet the tightest tolerances—all backed by exceptional service.

Learn more about Window and Door Screens →



Super Spacer® TriSeal™ Flyer
Duralite® Brochure
Duraseal® Brochure

Looking for Sealants?

Whether you are manufacturing or installing windows and doors or producing insulating glass, we have premium sealants to meet your needs.

Contact Quanex Building Products