Water Leaking From Roof Through Window

The exterior door in between the windows had water entering the wall and you can see stains around the door still.

Water leaking from roof through window.

Check the exterior windows and doors casings each year for peeled or damaged caulk. The most common way of sealing windows today is with the use of expanding foam. Remove any damaged caulking and clean the frame of the window before recaulking the area check the window mechanics for broken mechanisms. Vent pipe leaks during heavy rain can occur if you have cracks in your vent pipe boot or flashing.

Loose gutters gutters that were improperly installed or gutters filled with debris may cause water to back up into the roof and leak through an exterior overhang. The water oozes into your house from every angle and crevice around the window from top to bottom. Vent pipe leaks vent pipes penetrate all the way through the roof in several locations of the house and each one needs to be maintained to keep water out. Water doesn t always come in at the shingled surface.

In milder cases of this type of leak you may only see water come in from a few spots such as the sides or the bottom. Check the gasket between the window frame and the glass. Remove damaged exterior caulking clean the window frame and recaulk. Often wind driven rain comes in from above the roof especially around windows between corner boards and siding and through cracks and knotholes in siding.

If none there then that leaves you with the dormer roof and flashing the window itself or siding above the window which are more likely unless you have a flat topped dormer. The culprit is often old or poorly done window sealant. Dormer walls provide lots of spots where water can dribble down and enter the roof. Re seal the glass to the gasket with clear silicone caulk.

You can try some simple maintenance work such as. Make sure the sill at the bottom of the window frame is pitched. Caulk can be old cracked or even missing between the corner boards and between window edges and siding. If there s too little foam used there will be air channels between the window and the wall.

The leak is an area about 4 long about 2 feet from one of the edges of the window and the sill above the window shows a wet spot which is wider near the window tapering to a smaller point towards the inside of the sill where it meets the interior wall. These air channels will eventually cause water to come down through. During the winter months in some.