Drain Holes In Window Frames

Found at the bottom of storm window frames these little holes must be kept clear to function properly.

Drain holes in window frames.

Window maintenance and debris free weep holes. Drain or weep holes allow water to escape from the frame preventing flooding. 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. During rains water can fill the bottom track leak to the inside of the home and flood the area surrounding the window.

Weep holes in vinyl windows are designed to keep both water and wind out. If you have metal or vinyl frame windows check the drain holes at the outside edge of the bottom portion of the window frame. Manufacturers install small flaps covering the weep holes which open out to let water exit and close so wind can t come through the window. In other designs the outside weep holes for water drainage do not align with inside weep holes blocking wind from entering.

If the weep holes clog for a long period of time. If there are no drain holes in frame then the frame is sealed and water should not in therory get inside. Most sliders have weep holes as do most double hung replacement windows. 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.

Brian any rain water that gets passed the opening window seal should be channeled out of drain holes in bottom of frame. The exterior weep holes that drain the water out of the window are not aligned with the interior weep holes. Thus they block direct air flow into the window.