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.