Windows – DezignSpace


United States
(800) 754 1455(800) 754 1455

Shop their selection of blinds, shades, and drapes made from the finest materials and designer fabrics. Order free swatches or visit a showroom near you!

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Austin, TX, USA

Precision-built luxury steel windows and doors that are timeless, beautiful and minimalistic

Breathtaking Beauty. Breakthrough Performance

For over 20 years, Portella has pioneered new technologies that lead the industry. With our patented, thermally broken frame system, former limitations in customization simply disappear. Our innovations open up a world of possibilities for designers and architects who need impossible sightlines, the highest energy efficiency ratings and extreme durability with expressive elegance.

Now you can achieve your ultimate vision and reimagine architecture without boundaries. And we’ll be here to guide you every stop of the way.

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California, USA

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.

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