How to fix water seeping through cement and tile floors, a big problem that annoys the house’s residents. Because whether it is a problem of water seeping from the cement floor or water under a tile floor, they are all quite difficult to fix because they may need to be demolished. If left for a long time without finding a solution, delayed, but did not find a way to prevent the problem from repeating, it may damage the house’s structure at all. Including how to fix water seepage under the floor from each cause has different methods. It creates a lot of confusion for the residents. HomeGuru will recommend a solution for water seeping through cement and tile floors based on the cause of the problem.

• How to fix water seepage under the floor from various situations

1. Water seeps on the floor during the rain.
2. Water seeps on the floor even if it doesn’t rain.
3. Water seeps on the ground during floods.

• Most common areas that have a water leak

1. Roof
2. Deck or building
3. Upstairs in the bathroom area
4. Ground floor
5. Wall

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• Water seeps on the floor during the rain.

Solving the problem of water seepage under the floor due to rain is a simple method that is not difficult and is considered a common problem. Because when it comes to the rainy season, many people may encounter problems with water under a tile floor, cement floor, or around the wall of the house regularly, which causes obviously, comes directly from rainwater. The problem of water leakage from rain often occurs in the joints of various parts of the house, such as sunshade battens, awning roofs, door frames – windows. etc., or occur around the cracks on the wall. In some cases, water can infiltrate through the wall and seep out through the floor as well.

Therefore, it can be seen that the solution to the problem of water seepage under the floor, if it occurs during the rain, it must be done in parallel with the repair of various leaks on the house’s walls. If it is found that the exterior wall of the house has cracks, it must be plastered to repair that crack with a multi-purpose repair mortar first. Then paint the exterior over it. As for the walls in the house, if water seeps and causes the paint to swell inside, the problematic interior paint must be peeled off and then repainted. Or, if the wall material such as wall tile or wallpaper installed is peeling off, it must be fixed by dismantling the old one and installing a new one.

น้ำซึมจากพื้นกระเบื้อง

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In the leaking point between the door-window jamb and the house wall, consider what material the jamb is. The original silicone must be peeled off and sealant with a new one if it is a frame made of aluminum. But if it is a wooden frame, it must be cleaned and then filled the gaps around the frame with silicone or polyurethane glue (PU glue) so that there are no gaps for water to seep in.

Raining for a long time is another cause of underground water seepage. Primarily the houses built below the public road level and have a structure of the ground floor is a reinforced concrete floor placed on the ground. And the structure is separated from the columns and beams that support the walls. Therefore, there is a space between the slab, beam, and the wall that water can seep through. In this case, the solution for fix water seeping through cement or water under a tile floor will depend on the severity of the problem. By preliminary correction to slow down the water seepage, this gap can be filled with silicone sealant, polyurethane glue (PU glue), or polyurethane foam for wide gaps.

If the solution to fix water seeping through cement as mentioned above does not work, it may be necessary to consider raising the ground floor. In the case of concrete floors placed on soil, concrete can be poured over the original floor or can be reinforced beams and install a lightweight floor system. It consists of steel joists and a cement board (fiber cement or cement plywood). As for the new floor leveling thickness, you must not forget to think about the distance from the new floor to the ceiling. This will not make the interior of the house have a low ceiling distance that feels too uncomfortable.

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• Water seeps on the floor even if it doesn’t rain.

Water under a tile floor when it rains it is obviously caused by external factors. But if there is water seeping when it is not raining, it means that there is a problem inside the house at some point. To completely solve the water seepage under the floor, finding the problem spot first is necessary. Most of the problems encountered usually occur near the water pipes or maybe the area through the water pipes and sewers. However, it doesn’t have to be in the local area only because the leaking point may be under the wall structure. Which when water seeps accumulated, causing water to collect and seep out through the floor as well.

If there is a problem with a leaking plumbing pipe, it can be noticed from the water meter. When the water is turned off at all points and the water meter is still spinning, there is a problem with water leaking. But if it is a leaky sewer problem, you may have to consider the sanitation system of the house or water flow path. Then, when finding the water leak location, the solution for fix water seepage through cement must be completely repaired first. If repairs are required by demolishing the floor or walls, one may consider installing a new set of pipes to replace the old one. And when the leaking point is repaired, it will gradually manage to keep the plastering work and the floor or wall that has been demolished to return to its original state.

But if the leaking problem caused the floor or beam structure to be damaged. It should be repaired urgently according to the nature of the damage. For example, if the concrete is cracked until you see rusted rebar, you need to scrub the rust off with sandpaper, apply a rust converter, and then plaster. Or use concrete for repair work (Non-Shrink Grout) to cast the concrete in its original condition. But if it’s rusted like that eats steel, it’s recommended that engineers come to help inspect and repair based on the safety of the house structure.

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• Water seeps on the ground during floods.

Another cause of water under a tile floor that is quite difficult to deal with is the flood situation in many areas in Thailand that is still encountered periodically. Many homes have taken all possible measures to prevent water from entering their homes, either by blocking sandbags and masonry or using waterproof materials to block them, including many other methods. But in the end, there is still water seeping along the edge of the column, wall, or water splashing in the house.

In the case of water under a tile floor or cement floor during flooding, the water level outside is not even higher than the level of sandbags. That is because the water mass that surrounds the house has a pressure that can penetrate through the soil layer. When the water level in the soil layer rises to the floor level, it can cause cracks in the concrete floor. And water masses from outside can penetrate into those cracks until there is a problem of water seepage or springing up from the floor.

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The water pressure to push up in this manner causes the cement floor to crack or water under a tile floor and push until the tile slips or cracks. But don’t worry because there is still a solution for fix water seepage through cement floors from the flood pressure that many people may not know. That is, drilling holes in underground water can pop out to drain at a given location. The pipes are then connected so that the water travels together and then pump out. May choose to drill directly in the corner of the room or in a rarely seen in the house. Where to drill, the floor can choose to use brass joints. Or a PVC joint with a screw and molded stopper cover to keep it neat when not in use at all. In addition to draining water, this method also helps release pressure to make the floor structure of the house still solid and safe.

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• Most common areas that have a water leak

In the case of problems from inside the house, besides fixing various leaks in the home. Another thing that needs to be paid attention to is that you must not forget to prevent the same problem from occurring again and again after repairing various leaks. The best way is to regularly inspect the many points of the house, especially the joints at risk of occurrence.

1. Roof

The roof is one of the most prone to leaks in the house as it must be the first point that receives direct rainwater. If the roofing sheet has been used for many years, there may be cracked tiles. The mortar used to cover the roof tiles is broken or the equipment used to cover the roof has deteriorated to the point of causing leakage into the house. It also includes installing the roof in the wrong and non-standard way.

2. Deck or building

Roof decks are one of the most prone to leaks at the joints of the deck that collide with the walls of the house. It may be because the deck has cracks when it rains, so there will be leakage through the joints or damages that occur. So don’t forget to check the deck regularly.

3. Upstairs in the bathroom area

Another point that many people may not expect is that the upper floor is considered a popular area in the house that often leaks, especially from the water system upstairs in the bathroom area. This causes dirt, moisture, and mold build-up. If left for a long time may become a big problem, so it should not be neglected to fix immediately.

4. Ground floor

As has been said before, the ground floor is where water seepage can occur for a variety of reasons. The occurrence of underground water seepage will cause severe damage to the floor. This may include damage in invisible places such as the house’s internal structure, which directly affects the strength of the house.

5. Wall

The wall of the house is the point of leakage easily. Most often, the leakage occurs at the junction between the wall, door, and window frame or the crack of the corner of the jamb. Including cracks in the wall that can occur for a variety of reasons. Such as the selection of non-standard construction materials or the wrong construction methods, etc.

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If anyone encounters various leaking problems in the house, it is not convenient to fix it by yourself. Or if it’s any other problems with the house, you can contact for solutions and services from professional technicians from Home Service by HomePro via the following channels.

Home Service
Inquire and see more service information at
• Facebook: Home Service by HomePro
• Line: https://lin.ee/uN8D4Zl or @Homeproservice
• Call Center : 1284
• Mobile app : https://bit.ly/372RTMT
• Additional promotions from Home Service: https://bit.ly/3x8rqIj

วิธีแก้น้ำซึมจากพื้นปูน

It can be seen that there are many ways to fix water seepage through cement or tile floors, depending on the cause of the problem. For example, caused by cracks in the house’s structure causing water to seep into the home during the rainy season, caused by leakage at various points within the water system under the house structure, or caused by pressure from the water that pushes into the house in the flooding until the water under a tile floor. However, if inspected, it is found that it is a significant problem that causes damage to the house’s structure. HomeGuru recommends contacting an engineer to check the strength of the structure. Let a reliable, professional technician help solve the problem for the house’s safety and all members of the house.


Inquire about additional services
Facebook : Home Service by HomePro : m.me/Homeservicebyhomepro
Line : https://lin.ee/uN8D4Zl or @Homeproservice
Call Center : 1284
Mobile app :
https://bit.ly/372RTMT
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