This Newtown Square PA home had a finished basement that was separated into rooms, one of these rooms, did not have any windows. Doing their research on windows for basements, lead them straight to Basement Systems USA.
The type of window chosen for this install is an Egress window. To be more specific for this install, the type of Egress installed is a 48x48 Large Slider Egress that is paired with a 60x66x60 Large Egress Rockwell and a Rockwell Cover.