Drainage Holes In Window Frames

The finished trim or holdings around the window frames.

Drainage holes in window frames.

The reason you need weep holes is because the sill is the exact same shaped extrusion as the jambs which means that the window tracks that hold the sash when in the vertical position of the frame will collect and hold water when functioning as the sill in the bottom horizontal position of the frame. If there are no drain holes in frame then the frame is sealed and water should not in therory get inside. Found at the bottom of storm window frames these little holes must be kept clear to function properly. They have small vents.

The small vents in the vinyl frame prevent water from entering the building by draining through the weep holes. If the weep holes clog for a long period of time you may end up repairing or replacing a rotten window sill. A bar or strip of wood or metal between adjacent panes of glass that create a grid or latticework appearance. 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.

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. Any rain water that gets passed the opening window seal should be channeled out of drain holes in bottom of frame. Weep holes allow this water to drain. Weep holes in windows keep water out of your house.

Luckily as stuart shows us it s a very easy task to do in a quick step by step process wegive. Weep holes serve to channel water out of the window frame onto the sill which is slanted to allow the water to drain to the ground. Cleaning your window s weep holes is an easy task to forget. 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.

Weep holes in vinyl windows work in the same fashion as those in wooden or aluminum frames. To head off costly repairs follow these maintenance tips. Unlike other types of windows you won t accidentally clog the weep holes with paint or caulk but you still must ensure they remain free of debris to drain properly. Weep hole covers fit over the weep hole.

If they become blocked by debris paint or caulk and can t serve this vital function water can seep into the wood of the sill and cause it to rot. The horizontal part of the window frame.