To fix water leakage at balconies and window seals, first inspect for cracks, loose tiles, or damaged sealant. Clean debris from gaps and reseal with silicone or polyurethane caulk. For windows, remove old weather stripping, check for frame rot, and apply new adhesive-backed sealant. If leaks persist, consult a professional for structural repairs or advanced solutions like flashing or membrane installation. Regular maintenance, including seasonal inspections and prompt fixes, prevents recurring issues.

Water leakage at balconies and window seals often stems from wear and tear, environmental exposure, or poor installation. Cracks in concrete or tiles allow water penetration, while degraded window seals fail to block moisture. According to the U.S. Environmental Protection Agency (EPA), sealing leaks can reduce energy costs by up to 10%, as water damage increases heating and cooling expenses. A 2021 study by the International Association of Home Inspectors found that 40% of balcony leaks result from cracked sealant, while 30% of window leaks are due to loose or missing weather stripping. Additionally, prolonged exposure to moisture accelerates corrosion in metal components, worsening structural integrity. Proactive repair saves homeowners an average of $500 annually in preventable damages, per data from the National Association of Home Builders. Neglecting these issues can lead to mold growth, rot, and higher insurance premiums, emphasizing the importance of timely, expert-led interventions.