How to Stop Water Leaking Through Windows
A leaking window can be frustrating. Water can damage furniture and flooring and cause mould. Taking suitable precautions helps prevent it from entering through your windows.

First, identify where water enters and why the leak occurs. If there is an opening in a suitable joint between the window and wall, use silicone or a sealant compatible with the surface and outdoor conditions. Repair the relevant component or system for a worn gasket, a sash that will not close or a blocked drainage hole. Do not seal drainage holes with silicone.
Applying silicone around window edges with a dispensing gun is an effective method. It prevents leaks and helps make your home safer and more comfortable.
These simple methods minimise the damage caused by leaking windows. Acting early is always best.
Why Does Water Leak Through Windows?
Many homeowners face this frustrating problem. Causes include deteriorated sealing around the window, incorrect sealing during construction, worn gaskets or a sash that does not close properly. Inadequate drainage can also contribute, as can insufficient openings around the window.
Particularly common in older buildings, leaks cause damp and mould as well as damage to belongings and structural elements, resulting in financial losses.
How Do You Stop Water Coming Through a Window?
If water keeps entering around a window, the solution may be straightforward. Inspect it from outside to identify where the water enters. Is it coming from the base of the wall, a crack in the wall or between the glass and frame? Finding the answer is an important step.
If you notice water entering after rain or watering, a simple repair may resolve it. Gaps between the frame and wall or worn seals can allow water inside, and these problems can be fixed.
Start with a simple inspection. The cause is often a small detail, and the right approach can resolve it easily.
Once the problem is identified, repair its cause. Sealing a suitable joint with the correct product may reduce leakage; silicone alone is insufficient for faults in gaskets, sashes or drainage systems.
What Is Waterproofing Around Window Edges?
Window-edge waterproofing is applied to suitable joints around the window. The correct product and application protect against leakage through those joints. For lasting results, address the underlying cause and inspect the waterproofing regularly.
Begin by scraping away old silicone with a knife and cleaning the area. Then apply specialist waterproofing materials around the window. This prevents leaks around it and provides waterproofing for the building.
It prevents damp and water stains on the facade and provides lasting protection. Regular waterproofing around windows is important in building maintenance and repairs. Correct application with quality materials improves durability and prevents costly repairs.
How Do You Seal a Leak in a Wooden Window?
Wooden windows bring natural beauty and appeal to homes, but leaks are common during seasonal changes or heavy rain. They shorten window life and can cause indoor damp and mould. Various repair and maintenance techniques can help. Identify the source, choose suitable materials and use the right methods first.
Follow These Steps:
Remove old silicone or filler without damaging the surface. Brush away remaining material and dust. Identify cracks and gaps, then follow the filler’s surface-preparation and application instructions. After curing, apply compatible paint if needed. Follow the product instructions to determine the order of filling and painting.
Selsil Wood Epoxy Putty can be chosen for wooden windows. It suits major repairs to rotten or damaged wood.
