Custom Steel Windows

Our steel windows exceed all industry standards so they are not only beautiful—they are built to last.

Portella Windows feature:
- Narrow sight lines
- Dual, factory glazed in a controlled environment
- Deep steel divisions allow for thicker glazing combinations and improved energy values
- A continuous 1/4" x 3" steel mounting flange and flashing for increased structural integrity and moisture protection
- Insulated, Low-E glass meets current energy rating requirements and UV protection
- Three factory finish options: dark bronze, steel gray, charcoal (custom finishes also available)
- Roto-Crank Adjusters or Hold-Open Stays
- Hiqh-quality bronze hardware
- Steel screens optional






steel windows

Steel Window – Double Casement with hold open stays, historical window





steel windows

Portella is a nationally recognized manufacturer of custom steel doors, steel windows, contemporary metal doors, iron doors, steel French and European doors, iron gates, iron railings, iron hardware and other metal products. Our reputation for quality of workmanship, attention to detail, and superior customer service is highly regarded by our peers in the building industry. If you are building or remodeling, we have a steel door, steel window, gate or railing to complement your architectural style (traditional, classic, or modern), and if we don't - we’ll design something absolutely perfect just for you.