Drain Holes In Window Frames

Most sliders have weep holes as do most double hung replacement windows.

Drain holes in window frames.

Even though these drainage holes subtract from energy savings not having them will eventually cause the primary window frame to rot and possibly make them impossible to operate. Weep holes in vinyl windows are designed to keep both water and wind out. Thus they block direct air flow into the window. The exterior weep holes that drain the water out of the window are not aligned with the interior weep holes.

The purpose of a window s weep hole is to drain water away from the window keeping the water out of the building and protecting the window sill. If the weep holes clog for a long period of time. Exterior mounted storm windows must have weep holes at the bottom of the frame to allow any moisture that collects between the primary window and the storm window to drain out. Window maintenance and debris free weep holes.

Drain or weep holes allow water to escape from the frame preventing flooding. In other designs the outside weep holes for water drainage do not align with inside weep holes blocking wind from entering. During rains water can fill the bottom track leak to the inside of the home and flood the area surrounding the window. Brian any rain water that gets passed the opening window seal should be channeled out of drain holes in bottom of frame.

Weep holes on sliders can be seen in the sill track. Found at the bottom of storm window frames these little holes must be kept clear to function properly. If there are no drain holes in frame then the frame is sealed and water should not in therory get inside.