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

play iconPlay Video
play iconPlay Video
Request a Quote
Contact Us Today to Get Your Project Moving.
Request a Quote
Download Our
Brochure
Download
Download
Our Brochure
Portella Brochure
Get ideas and inspiration in our gallery
Custom steel windows and doors from Portella feature narrow sight lines, exceptional strength, and unique sizing not to mention virtually limitless design options.
Laguna Beach Private Residence-Laguna Beach CA

Laguna Beach Private Residence-Laguna Beach CA

View Project
Interior Project-Calabasas CA

Interior Project-Calabasas CA

View Project
Beach House-Monterey CA

Beach House-Monterey CA

View Project
Barn Project-Oregon

Barn Project-Oregon

View Project
Napa Private Residence-Napa CA

Napa Private Residence-Napa CA

View Project
St Helena Winery-St Helena CA

St Helena Winery-St Helena CA

View Project
Pacific Ridge-Santa Barbara CA

Pacific Ridge-Santa Barbara CA

View Project
Monticello Executive Offices – Gensler – Charlottesville VA

Monticello Executive Offices – Gensler – Charlottesville VA

View Project
TarryTown Residence

TarryTown Residence

View Project
Dillon Kyle Architects – 420 Oak Lane

Dillon Kyle Architects – 420 Oak Lane

View Project

Want to find more ideas?

Visit our project gallery to see more solutions

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.