Drain Holes In Window Frames

Window maintenance and debris free weep holes.

Drain holes in window frames.

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. Brian any rain water that gets passed the opening window seal should be channeled out of drain holes in bottom of frame. Weep holes in vinyl windows are designed to keep both water and wind out. If there are no drain holes in frame then the frame is sealed and water should not in therory get inside.

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. If you have metal or vinyl frame windows check the drain holes at the outside edge of the bottom portion of the window frame. If the weep holes clog for a long period of time. Windows and patio doors are designed with a weep drainage system on the exterior bottom of the frames to help protect the inside of your home.

In other designs the outside weep holes for water drainage do not align with inside weep holes blocking wind from entering. 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. 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.

Most sliders have weep holes as do most double hung replacement windows. Drain or weep holes allow water to escape from the frame preventing flooding. During rains water can fill the bottom track leak to the inside of the home and flood the area surrounding the window.