How to fix a leaking wall from rain water?

Last year, I faced a problem with rainwater seeping through one of my bedroom walls. From my experience, I learned that to know how to fix a leaking wall from rain water, you must first understand the cause behind the same. Water usually enters through damaged roofing, cracks in the wall, or poorly sealed windows and doors. Once the cause has been identified, you can reinforce the waterproofing and make targeted repairs to stop leaks in the future.

How Do You Fix Water Seeping through Walls When it Rains?

1. To identify the source of the leak, look for wet areas, stains, or discolouration.

2. Fix damaged plumbing, seal gaps around windows and doors, and replace broken roof tiles.

3. To establish a robust moisture barrier, apply a premium waterproof membrane or coating to external walls. I mainly used Asian Paints SmartCare Damp Proof Xtreme. 

4. To stop additional seepage, apply waterproof sealant to exposed gaps.

5. Keep gutters and downspouts clear to divert rainwater away from walls.

Water leaks can be properly prevented and your home can be protected by taking care of both the cause and the protection.

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Hello bud! I have gone through a similar problem in the past when my ceiling and bedroom wall started to leak water. Let me help you out with how to stop rain water leakage from wall through a personal anecdote. I’ll also talk about some additional information on this topic, so keep reading.

I read Avni’s answer, where she has thoroughly explained the reasons behind water coming through wall when it rains. I’d like to move in a different direction and talk about the indicators for a possible leaking wall.

Signs of water coming through wall when it rains

1. If you have noticed areas with orange, white, black, brown or green stains on your walls, it's a warning signal for the development of mould and mildew. Even a furry growth in patches can be a sign of mould.

2. Look out for sinking ceilings at your house. This occurs when the plaster or drywall soaks up water due to a wall leakage. Noticing this at an early stage can help you prevent your walls from further damage.

3. This sign usually works for underground floors such as a store room or basement. If there’s a hint of a musty smell near your walls, it's an indication that the wall is leaking.

4. If your paint has started to crumble and peel off the walls, this can be because of the water leakage through the walls. Paint’s bonding strength loosens when it comes in contact with water.

5. Yet another sign arises in the form of bubble formation. If you come across this. There are chances that water has collected behind the particular region of the wall.

How to stop wall leakage

1. Analyse your ceiling and roof and check for any of the signs mentioned above. It can be peeling of paint, formation of cracks and mould formation as well. Although it is advised to call a professional for this purpose, use a wall putty or waterproofing cement to cover and seal the damaged area. You can use a filler to close small openings.

2. You can opt for installing a rain gutter system that will change the direction of water from entering and running down the walls.

3. Inspect the area near your doors and windows. Tiny holes, gaps and cracks can ease the path of rainwater. Immediately fix them using waterproofing material.

I hope you now know the answer to how to stop rain water leakage from wall.

At first try to know what is the reason behind this leakage. I faced a similar issue during this rainy season. When we called a plumber, we got to know that a pipe broke hence the water started leaking from there. The entire wall used to get wet and damp but after repairing the pie, everything is perfect now. 

Try to detect the cause and mend it yourself. If you have no clue, then it is better to ask an expert about it. To know some repairing methods, you can read