Foundation window assembly and method for installing a foundation window frame into a foundation wall

A foundation window assembly for a foundation wall, the foundation window assembly comprising:

• a window frame comprising:
• a plurality of frame members, and
• at least one casing connector extending from at least one of said plurality of frame members;
• and
• a window casing integrable to the foundation wall upon building thereof, the window casing comprising:
• a plurality of casing members defining together a frame-receiving opening, wherein at least one of said plurality of casing members defines a frame-abutting shoulder and comprises:
• a casing flange portion, and
• a frame-engaging portion,
• wherein the casing flange portion and the frame-engaging portion at least partially delimit together the frame-abutting shoulder;
• wherein a frame-engaging recess is formed in the frame-engaging portion, the frame-engaging recess at least partially circumscribing the frame-receiving opening, said at least one casing connector being removably engageable into the frame-engaging recess when the window frame is inserted into the frame-receiving opening.

A method for installing a foundation window frame into a foundation wall, the method comprising:

• Forming a foundation wall formwork including wall panels defining a spacing inbetween;
• Positioning a foundation window casing at a predetermined position between the wall panels;
• Securing the positioned foundation window casing to the foundation wall formwork, the foundation wall casing comprising a plurality of casing members defining together a frame-receiving opening and at least one frame connector located on at least one of said plurality of casing members;
• Pouring concrete in the spacing defined between the wall panels to at least partially surround the foundation window casing;
• Inserting a foundation window frame in the frame-receiving opening, the foundation window frame comprising a plurality of frame members having each a frame thickness and defining together a window frame perimeter, at least one of said plurality of frame members comprising an outer flange portion having an inner face, the foundation window frame comprising at least one casing connector extending inwardly from the inner face of the outer flange portion of said at least one of said plurality of frame members along at least a portion of the frame thickness thereof;
• and
• Engaging at least partially the foundation window frame with the foundation window casing by removably engaging said at least one casing connector with said at least one frame connector.