Custom Steel Doors and Windows in Leander, TX

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Portella offers the highest quality custom steel doors and windows in Leander, TX. Our team of expert craftsmen and design professionals have an in-depth understanding of the trade and we pride ourselves in providing exceptional services to our clients.

The Advantages of Steel Doors and Windows

Steel doors and windows offer many advantages, including:

Durability: Steel is one of the most high-performance, durable materials used in the construction industry, making it an excellent choice for entry doors, interior doors, and windows. Steel doors and windows are resistant to weathering and are unlikely to crack, warp, or rot over time.

Energy Efficiency: Steel windows and doors are highly energy-efficient and can help reduce energy costs. Especially when outfitted with thermal breaks and low-E glass, exterior doors and windows are excellent at retaining heat during the winter months and keeping out heat during the summer months.

Customizable Designs: Steel doors and windows can be customized to suit any design aesthetic. They can be tailored to fit specific size and shape requirements, and additional features such as tinted glass and unique hardware can be added to match a particular design or style.

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Steel Door and Window Options

Portella offers a wide range of steel window and door styles including:


  •   Single and double doors
  •   French doors
  •   Pivot doors
  •   Sliding doors
  •   Wine room doors

All of our doors and windows are made using the highest quality materials, including rolled steel frames and factory-glazed glass, and are finished with our proprietary zinc-bonded galvanizing technique.

Custom Steel Doors & Windows

Custom Steel Doors and Windows

Portella specializes in manufacturing customized steel doors and windows for homeowners and business owners in the Greater Leander area. When it comes time to replace your windows, our expert craftsmen can create custom designs to match the architectural style of your home or business and can meet precise size and shape specifications so that your new steel doors or windows will fit in your space perfectly.

In addition, with features such as unique hardware, and specialized coatings or finishes, you’ll be able to design your steel windows or doors to match a particular design aesthetic or style. Contact Portella today to hear about all of the benefits of custom steel doors.

Custom Steel Doors & Windows
portella steel doors

Custom Steel Doors: Functional and Stylish

Who says you can’t have it all? Steel doors and windows have long been a popular choice for homeowners and business owners alike, thanks to their stunning beauty and unparalleled functionality. Steel bi-fold doors and steel sliding doors are the perfect options for those wishing to create a seamless transition between indoor and outdoor spaces. Custom steel entry doors can be outfitted to meet the specifications of any home or building and are extremely durable. With a sleek, modern design that complements any architectural style, steel doors add a touch of elegance and sophistication to any space. 

At Portella, we offer a wide range of steel door and window designs that can be customized to match your unique style and preferences. From elegant and understated to bold and dramatic, our steel doors and windows are sure to make a lasting impression.

portella steel doors
custom steel windows

Custom Steel Windows

When incorporating steel windows into your space, the options for designs and styles are limitless. Custom steel-framed windows are a preferred choice for homeowners or business owners who are looking for a modern way to elevate their space, while also benefiting from the efficiency and durability that custom steel windows provide.

Thermally-broken custom steel windows provide unparalleled energy efficiency, and with Portella’s proprietary manufacturing techniques, you won’t have to sacrifice narrow sightlines for a well-insulated home. We also offer custom steel casement windows, which offer many benefits and are popular for their simple geometry and clean lines.

custom steel windows
custom steel windows

The Energy Efficiency Benefits of Steel Doors and Windows

In addition to their stunning beauty and functionality, steel doors and windows offer significant energy efficiency benefits. Thanks to their unique construction, steel doors and windows help reduce energy costs by keeping out drafts and maintaining a comfortable indoor temperature year-round.

At Portella, we offer a range of thermally broken steel windows and doors that provide superior insulation and energy efficiency. Our NFRC-rated thermally broken steel windows and doors feature a polyamide thermal barrier that reduces heat transfer, helping to keep your home or business comfortable and energy efficient. Our Low-E glass options provide additional insulation and protection against UV rays, and our WET glazing system eliminates any moisture penetration.

Whether you’re looking for stylish steel doors and windows to complement the aesthetic of your space or energy-efficient options that can help reduce your energy costs, Portella has you covered. Contact us today to learn more about our products and services and how we can help you bring your vision to life in Leander, TX.

custom steel windows
custom steel window

Artistry and Quality, Guaranteed

We pride ourselves on creating the finest quality steel doors and steel windows for business owners and homeowners in Leander, TX. Our product lines carry exceptional limited warranties, including:

Artisan Series products: Limited 20-year material warranty, 10-year limited warranty on glass, and a 5-year warranty on finishes.

Classic Series products: Limited 10-year material warranty, 10-year limited warranty on glass, and a 5-year limited warranty on finish.

Storefront Exterior Series products: Limited 5-year material warranty, 10-year limited warranty on glass, and a 5-year limited warranty on finish.

custom steel window
custom steel doors

What Sets Portella Apart?

Our clients have come to expect only the best from Portella for custom steel windows and doors. In the Greater Leander area we’re known for:

  • Expert craftsmen who create custom designs to meet our client’s unique needs and visions.
  • 44,000 square feet of state-of-the-art manufacturing space that allows us to provide unmatched quality and craftsmanship.
  • Dedicated project managers who lead the design process from start to finish, providing our clients with a seamless experience and peace of mind.
  • Our unique zinc-bonded galvanizing technique, which ensures unparalleled durability and performance using eco-friendly 100% recyclable steel.
  • Our commitment to exceeding industry standards and certifications, ensuring that our clients receive only the highest quality steel doors and windows available.
custom steel doors
custom steel windows

For Leander’s Best Custom Steel Door and Windows, Contact Portella Today

Whether for a residential or commercial project in Leander, TX, Portella is your go-to provider for custom steel doors and windows. Contact us today to learn more about our products and services and how we can help you bring your vision to life.

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