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.
Custom Steel Windows and Doors
Custom Wood Windows and Doors
Project Highlight
Napa Private Residence-Napa CA | Architect: RG Architecture | Builder: Trainor Builders
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Brochure
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Performance
Portella is proud of our commitment to continue product development, testing and certification complience. Our doors and windows are third-party tested and have ASTM, NFRC, AAMA, and soon Florida Building Code certifications.
Artisan Series is a solution for luxury residential, boutique commercial applications or historical projects. Our Artisan Series is NOT a variation of existing non-thermally broken European extrusion products or “enhanced” thermally broken profiles. Artisan utilizes a GRP (glass reinforced polythermide) a non-conducting material with steel, combining strength and superior thermal performance. Manufacturers offering only insulated glass without addressing the thermal transfer of the frame does to solve the problem. We Invite you to view the Artisan design guide on our Artisan product pages.
Portella understands what Architects are looking for. Here is what makes Portella different:
- Trademark narrow-profile sightlines
- Factory installed glass with Low-E options for maximum energy efficiency
- NFRC rated thermally broken laser fusion welded and cold-rolled options
- WET glazed glass glazing system eliminates any possibility of moisture penetration
- Clear and concise communication from quotation to shop drawings
- Tested and engineered designs
- One point communication with knowledgeable Portella Project Managers
