Patent ID: 11946311
Assignee: PELLA CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 13:
14. A sash assembly of a fenestration unit having a frame, the sash assembly having an interior side and an exterior side, the sash assembly comprising:
a sash including a window pocket, the window pocket including a hydrophobic sash pocket surface facing the interior side, the sash coupled to the frame of the fenestration unit and defining a gap between the frame and sash;
a window pane supported by the sash, the window pane including a hydrophobic window pane surface facing the exterior side, wherein the hydrophobic window pane surface and the hydrophobic sash pocket surface form a hydrophobic seal;
a sash cladding coupled to the sash; and
a casement seal positioned within the gap defined between the frame and sash, the casement seal positioned closer to the interior side than the exterior side, and the casement seal having a contact angle greater than degrees.