Balcony Leaks and Why They Happen
Balconies are one of the most common areas where water leaks can occur in homes.
Because balconies are exposed to rain and weather, they rely on properly installed waterproofing systems, drainage and construction details to prevent water from entering the structure of the building.
When any part of this system fails, water can begin to enter the structure and may eventually appear inside the home.
Common Causes of Balcony Leaks
Balcony leaks can develop for a number of reasons, particularly if construction details are not completed correctly or if materials deteriorate over time.
Some of the most common causes include:
• failed or damaged waterproof membranes
• incorrect balcony drainage or blocked outlets
• poorly sealed door thresholds or window frames
• cracks in balcony surfaces or tile grout
• construction gaps where the balcony meets the building structure
Even small construction gaps can allow water to slowly enter the structure during rain events.
Why Balcony Leaks Can Be Difficult to Identify
Balcony leaks can sometimes be difficult to identify because water may travel through the structure before becoming visible inside the home.
For example, water entering through a balcony door threshold may travel through wall cavities or floor structures before appearing as stains or damp patches inside the property.
Because of this, identifying the true source of the leak often requires careful investigation and an understanding of how balconies are constructed.
Once the exact location where water is entering the balcony structure has been accurately identified through investigation, the appropriate repair solution can then be carried out to prevent further water intrusion.
Understanding how water moves through a home is key to identifying the true source of a problem. In many cases, a professional water leak investigation is needed to accurately determine where the water is entering and how it is travelling through the structure.
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