New York’s Finest Quality Handcrafted Custom Steel Doors & Windows
Beautiful, Proven, and Dependable
Portella Product Lines
Artisan Thermally Broken
Portella’s Artisan Thermally Broken series meets or exceeds energy efficiency requirements. We are the only steel door & window manufacturer to include a thermally-bonded zinc application. This ensures your new doors or windows will last even in the harshest conditions.
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Classic
Our Classic series range of Custom Steel Doors & Windows are the perfect complement to contemporary architecture, featuring slender lines and minimalist profiles that let light flood into your home.
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Impact
Portella Steel Doors & Windows have officially passed impact testing for compliance with the Florida Building Code, while also achieving AAMA certification — a rare combination in the steel fenestration industry.
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Custom Steel Doors & Windows
Portella Announces The Contemporary 3-D Metal Door
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Performance
Expanding in Baltimore, or updating a restoration project with a new look and stylish metal framed doors or windows? Our product lines can be custom built to fit your particular needs all while meeting and often exceeding standard building codes.
A Solution to Steel Door and Window Thermal Challenges
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.
Portella Difference
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
Contact Us Today to Get Your Project Moving.
Doors and windows crafted from our profiles are often the most prominent feature in prestigious luxury homes, historic renovations and boutique commercial spaces.









