Operable Windows


535 Operable Vents

At 2-13/16″ deep, Windspec’s 535 series vents are compatible with many window and curtainwall openings. Utilizing a glass-reinforced nylon thermal break with double or triple glazed options, this system is ideal for projects that with strict thermal requirements.


925 Side Slider



720/740 Sliders



575 Frameless Vent

Windspec’s 575 frameless vent allows for a seamless operable unit in window or curtainwall framing without affecting exterior sightlines. By limiting exterior aluminum components, we have achieved thermal performance values far beyond industry standards.


5300 series

420 Double Hung




Discontinued Series