"Suburban recently installed new windows and doors in our home. The work was done in a timely fashion, leaving no mess behind. They even re-hung our blinds and drapes. Their service before and after t... » more
- Steve and Chris Flowers of Moline, Illinois


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Sloped Sill

The sill of some double-hung windows that has a downward slope toward the outside with a capture dam that helps to keep water from infiltrating the base of the bottom sash. Sloped sill assists water drainage to the exterior of the window.

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