Loretta house from the pool.

New York’s Finest Quality Handcrafted Custom Steel Doors & Windows

Beautiful, Proven, and Dependable

Welcome to Portella, a solution to your architectural steel window and door needs. Our portfolio contains a number of custom steel and design options to customize your upcoming project. Whether you’re building a high-end boutique in SoHo, or upgrading your beautiful brownstone to improve lighting, energy efficiency or safety, Portella will provide the best services that your neighbors, clients, employees or occupants will appreciate and ultimately love. Our team looks forward to using our architectural skills to allow you to achieve that second-to-none quality of your steel design windows and doors.

Announcing Portella’s New Thermally Broken Profile Patent

Announcing Portella’s New Thermally Broken Profile Patent

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The Trend to Large Format Doors Means Complex Installations

The Trend to Large Format Doors Means Complex Installations

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Portella Announces The Contemporary 3-D Metal Door

Portella Announces The Contemporary 3-D Metal Door

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Adolphus Hotel (Dallas, TX) Window Walls

Adolphus Hotel (Dallas, TX) Window Walls

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Joseph Fowler Homes Austin Texas

Joseph Fowler Homes Austin Texas

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Modern Office Space

Modern Office Space

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Steel Shower Enclosure Dallas Texas

Steel Shower Enclosure Dallas Texas

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Roof Panels – Brian Bailey Homes, Inc

Roof Panels – Brian Bailey Homes, Inc

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Bainbridge Island, Seattle Washington

Bainbridge Island, Seattle Washington

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Santa Barbara Ranch Style Home

Santa Barbara Ranch Style Home

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Portella Product Lines

Portella products are the architectural steel window and door industry’s best, offering energy efficient components, such as steel front door units, windows, wall panels and more. If you’re looking to transition to a full steel building, or simply transform your aesthetic to incorporate steel design windows and doors, Portella is the right choice for you.

Living Room Picture

Performance

Portella is committed to providing the best architectural steel windows and doors quality to New York City through product development, testing and certification compliance. Our steel design windows and doors are third-party tested, and have all of NYC’s necessary building code certifications. No matter what your needs are, Portella will ensure you have the best of the best.

Living Room Picture
420 Oak Lane Project

A Solution to Steel Window and Door Thermal Challenges

Portella’s Artisan Series is a solution for New York’s luxury residential, boutique commercial applications or historical projects. Our Artisan Series products have some of the industry’s best thermally broken profiles. Artisan utilizes a GRP (glass reinforced polyetherimide), a non-conducting material with steel, which combines strength and exceptional thermal performance.

Portella sets itself apart from other steel window and door manufacturers by offering only NFRC-rated, thermally broken, laser fusion-welded and cold-rolled option for your steel windows and doors. We invite you to navigate towards our Artisan product pages, where you may peruse through our design guide full of Artisan steel design window and door options.

420 Oak Lane Project
The Ronson Home - front view

Portella Difference

As an exceptional manufacturer of steel doors and windows since 1999, Portella holds a thorough understanding of what architects are looking for within their projects. We set ourselves apart from the competition in various ways:

  • Trademark narrow-profile steel window and door sightlines
  • Factory-installed, decorative glass with Low-E options for ultimate energy efficiency
  • NRFC-rated, thermally broken, laser fusion-welded and cold-rolled steel options
  • Leading WET-glazed glass glazing system eliminates moisture penetration.
  • Effective and thorough client communication, from quotation to shop drawings
  • Adequately tested and engineered designs

Ready to take the next step? Contact us, and consult one of our Project Managers.

The Ronson Home - front view

Blog & News

Architecture in Film and Literature

Books and movies highlight our obsessions like few other mediums. Even if you’re not the type to dig into all the symbolism and crafted meaning, it’s easy enough to enjoy the aesthetics on the page or screen. Architecture is extremely similar, but due to its ubiquitous and practical nature, the word is sometimes shrunk to […]

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Design and Concrete Homes

Architecture and building materials are often in flux. Now, more than ever, the push towards sustainability and innovative design are expanding the limits of what might be a suitable, artistic, or practical building material. We see bamboo, recycled wood, and a number of other natural elements incorporated, but one thing that seems to have made […]

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