Fixed frame windows either can be joint in groups with other fixed frame windows, or even in combination with other window styles.

Optimum’s Fire Rated Fixed Steel Windows have been proven to withstand temperatures of 1650 F(899 C), preventing spread of fire to adjacent buildings.

Single and double-hung windows are a classic design that remains popular due to their ease of use and economical construction.

Optimum’s Fire Rated Fixed Steel Windows have been proven to withstand temperatures of 1650 F(899 C), Fusible links melt at 165 F (74 C) allowing the window to automatically seal shut, preventing spread of fire to adjacent buildings.

The slider windows allow light in and unobstructed, open views out. It's the perfect choice when you are looking for a functional window that is aesthetically pleasing.

Optimum’s Fire Rated Fixed Steel Windows have been proven to withstand temperatures of 1650 F(899 C), Fusible links melt at 165 F (74 C) allowing the window to automatically seal shut, preventing spread of fire to adjacent buildings.

These Optimum windows tilt open from the top to let in fresh air, and swing open, making them easy to clean from inside the house.