Drain Holes In Window Frames

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

Drain holes in window frames.

Window maintenance and debris free weep holes. Found at the bottom of storm window frames these little holes must be kept clear to function properly. Thus they block direct air flow into the window. Weep holes in vinyl windows are designed to keep both water and wind out.

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. 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. 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. 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. Drain or weep holes allow water to escape from the frame preventing flooding. If there are no drain holes in frame then the frame is sealed and water should not in therory get inside. If the weep holes clog for a long period of time.

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. During rains water can fill the bottom track leak to the inside of the home and flood the area surrounding the window. In other designs the outside weep holes for water drainage do not align with inside weep holes blocking wind from entering.