Portella Steel Window

Custom Steel Windows

Why choose Portella?

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


Portella Windows

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