Custom Steel Windows
At Portella, we specialize in the design, manufacture and supply of individually engineered, high-quality steel windows. Our black metal windows are made from 100% recyclable, durable steel to boost the eco-credentials of your project. As well as market-leading sustainability, they also exceed all industry standards, providing a unique, luxurious and high-end finish to any development or renovation project.
Steel Window Details
With narrow sightlines and custom shapes, our window configurations can fit virtually any application to meet the demands of discerning homeowners and businesses alike. Creating custom size steel windows allows us to work directly with builders and architects and meet the exact specifications of their projects. Most importantly, our state-of-the-art manufacturing processes and factory glazing allows us to keep every process in-house. That eliminates subcontracting and mark-ups so we can deliver the finest quality steel windows at the best possible price.
Thermally broken
Our thermally broken windows exceed all energy efficiency requirements. We are the only steel window manufacturer to include a thermally-bonded zinc galvanizing corrosion resistant coating. That ensures your new windows last a lifetime even in the harshest climatic conditions.
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Classic
The classic range of custom steel windows is the perfect complement to contemporary architecture, featuring slender lines and minimalist profiles that let light flood into your home.
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Storefront exterior
Create a striking storefront with steel windows that stop customers in their tracks. The superior strength and durability of rolled steel makes it ideally suited to demanding commercial environments and boutique stores. Interested? Take a look at our luxury Double Casement Windows.
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Storefront interior
Transform office spaces with the clean lines and minimalist detailing of our sleek interior windows. Natural strength, durability and a timeless, fresh appeal make our designs perfectly suited to modern commercial environments.
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Technical Specifications
Our custom metal windows are created by three generations of blacksmiths who forge products to within 1/16” tolerance. This ability to control the quality of our workmanship so precisely makes us unique among steel window manufacturers. The specifications of our windows include:
Carbon steel, stainless steel and bronze options
NFRC-rated meeting new energy code requirements and Title 24
Double glazed (single and triple available)
Glass: Cardinal 366 over clear tempered
Available in standard and custom paint options
True divided lite construction
Hinges: Adjustable steel post in barrel with ball bearing
Continuous steel mounting flanges with orientation options
How to Order
The next step is to provide a quote. Once the quote is approved, we will create drawings and specifications for every element of your project. Although manufacturing lead times depend on the scope of your project, it’ll generally take between 16 and 19 weeks to create your custom steel windows.
The Benefits of Portella Steel Window
Sustainability – Our windows are 100% recyclable so there’s zero waste.
Aesthetics – The narrow sightlines and minimalistic nature of our windows create a stunning visual appeal.
Quality – Master blacksmiths, state-of-the-art manufacturing facilities and individually assigned design specialists ensure every project is a stunning success.
Price – Every stage of the process is retained in-house. That avoids any additional markup and keeps the cost of your steel windows down.
Custom-fit – We produce custom steel window sizes, shapes and configurations to suit virtually any application.
Superior climate durability – Portella metal windows are designed specifically to meet the climatic demands of your state.
Energy efficiency – All windows are NFRC-rated and exceed all energy efficiency requirements.
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.