Windows and doors often have a simple drainage system or "weep" system designed right into the product. These water drainage pathways must be kept clear and clean for the window or door to operate correctly.

• It's normal for water to accumulate in the sill or track area with wind driven rain. The water is intended to drain to the outside as water builds up or outside pressure subsides.

• Keep sill or track areas clean of dirt or debris.

• Make sure that outside and inside "weep" holes and sill area are kept clear of any dirt, stucco, sand, or building materials.

• Use a small, soft bottlebrush to clear openings.

• Windows can be vulnerable to water leakage at the corners if not properly maintained. If a crack appears, it should be sealed with a good grade of sealed with a good grade of sealant according to the manufacturer's instructions.