Wood, Wood/Aluminum, uPVC, uPVC/Aluminum

Window & Door Systems.  Handcrafted in Austria

The GAULHOFER family has been revolutionizing the window and door industry since 1919, when Karl GAULHOFER opened a construction and furniture joinery business in Austria. GAULHOFER has deftly blended the company’s deep roots in fine traditional craftsmanship with state-of-the-art production technology. GAULHOFER is globally recognized for producing the most beautiful, efficient and long-lasting windows in the world while gaining international recognition for their attention to quality and sustainability. GAULHOFER introduced the original hybrid as they were the first European window manufacturer to use metal cladding on the exterior of a wood window.

Aluminum facade systems, windows, patio doors, sliding window/door systems.

WICONA offers sophisticated aluminum facade systems, windows, patio doors, sliding window/door systems with world leading burglary resistance; tried-and-tested versatile solutions with a great diversity of profiles and an extensive range of features that provide maximum design freedom from planning to completion.  Suitable for Residential or Commercial applications.

Aluminum facade systems, windows, patio doors, sliding window/door systems.

ALUPROF offers over 50 years of experience manufacturing high-quality window and door systems with enhanced thermal properties. Throughout Europe, ALUPROF has supplied countless car sales showrooms, banks, hotels, universities, hospitals, technology parks, operas, philharmonic halls, sky scrapers, shopping and entertainment complexes. 

As a business partner, you can count on support and consultations with the technical support department to provide technical knowledge and advice regarding the choice of systems, material evaluations, specifications, technical drawings and planning details and calculations.

Strikingly innovative windows and doors crafted with time-tested attention to detail; industry-leading energy efficiency; sustainable building practices that put the environment first, and service that puts you first. Welcome to windows and doors that never compromise, made by people who don't either.

With 125 combined years in the window and door business, we’re a household name west of the Rockies, and our reputation is quickly making its way across the rest of the country.


Who is Sierra Pacific Windows? We're the company building the most uncompromising windows and doors possible for clients with the highest expectations, a fact we’re proving one beautiful project at a time.

Today, Sierra Pacific products are installed in 30 countries around the globe, with a focus on residential and light commercial construction in North America. The company supports more than 600 dealers, distributors and company stores across the country, with three manufacturing plants strategically located to deliver your order when you need it.

air-lux is the floor-to-ceiling glass facade system with large sliding windows and a patented seal concept that sets the standard – aesthetically, technologically and functionally.

Whether it’s a high-rise, private villa or special solution, air-lux allows builders and architects to realize their creative vision. Without compromise. air-lux guarantees expertise, creative solutions and professional service in every phase of the project 

Developed in 2004 by Swiss metal construction and glass facade specialist Krapf AG, air-lux exemplifies uncompromising quality. Whether destined for use in a private home in the countryside or a high-rise in the city centre, with air-lux we offer customised solutions from a single source – from planning to production and installation. Our system enables architects, facade planners, general contractors and property owners to create groundbreaking buildings with glass facades.

air-lux is both high-tech combined with precision craftsmanship – we use state-of-the-art machinery and hand craftsmanship in our factory halls to process steel, chromium steel, architectural bronze and aluminium with the highest precision.  With air-lux, we guarantee uncompromising quality.  It’s the reason why we produce in Switzerland, why we have our own in-house development department and why we train our planners and metal builders ourselves. 

Innovation, partnership, excellence and responsibility define the success of Schüco.  As one of the technological leader for the entire building envelope, Schüco stands for continuous innovation. At the same time, the company is a competent partner for investors, architects and fabricators worldwide.


Schüco achieves excellence under the umbrella of a strong brand through certified quality and award-winning design. Schüco conserves resources and takes responsibility for people and the environment with sustainable products.

Based in Bielefeld, the Schüco Group develops and sells system solutions for windows, doors and façades. With more than 5650 employees worldwide, the company strives to be the industry leader in terms of technology and service today and in the future.  In addition to innovative products for residential and commercial buildings, the building envelope specialist offers consultation and digital solutions for all phases of a building project – from the initial idea through to design, fabrication and installation. 12,000 fabricators, developers, architects and investors around the world work together with Schüco.


The company is active in more than 80 countries and achieved a turnover of 1.750 billion euros in 2019