Brand: Cambridge, S-Series, OceanView
Styles: Single-Hung, Double-Hung
Location: Bottom of lower sash
The Sill Bulb is installed at the bottom of the lower sash on the Cambridge, S-Series and OceanView hung windows. The purpose of the sill bulb is to create a stronger seal at the window sill. Adding a sill bulb better prevents drafts while limiting insect and debris infiltration.