Commonly used in basements, hopper vinyl replacement windows are bottom-hinged and open inward for ventilation. For added safety and security, consider replacing low to the ground windows with a hopper vinyl replacement window featuring shatter-resistant Exolite.
Hopper/Basement Windows—Features
Basement/Hopper Vinyl Replacement Window from Thermal Industries.
Solid Vinyl Construction for superior insulating value
Warm-Edge Technology reduces condensation and seal failures