EFFECTIVE WATERPROOFING MAINTENANCE AND REPAIR METHODS - KEEPING THE PROJECT SUSTAINABLE

1. Why is periodic waterproofing maintenance and repair necessary?

Many people think that waterproofing only needs to be done once. But in reality, factors such as weather, ground subsidence, mechanical impact or initial construction errors can all damage the waterproofing layer over time.

If not maintained and repaired promptly, water will seep into the structure causing:

- Peeling paint on walls and ceilings.

- Musty, unsanitary smell.

- Causes cracks in walls and floors.

- Reduces concrete life, affects building structure.

Therefore, regular waterproofing maintenance is a way to save costs in the long run, while ensuring a safe and dry living and working environment.

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2. Signs that the construction needs waterproofing repair

Regularly check areas at high risk of leaks such as:

- Ceiling, flat roof, corrugated iron roof.

- Bathroom floor, balcony.

- Outside wall, foot of wall.

- Basement, cellar, underground water tank.

Signs to watch out for:

- Stains appear on walls and ceilings.

- Paint is peeling and cracking.

- Unpleasant damp smell around the leaking area.

- There are cracks or water leaks through the joints.

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3. Effective waterproofing repair steps

Below is the standard procedure for dealing with damaged waterproofing:

Step 1: Survey and determine the cause of seepage

- Check for water leaks.

- Determine the cause: open circuit, concrete cracks, aging waterproofing layer...

Step 2: Surface treatment

- Scrape off old damaged waterproofing layer.

- Clean dust, moss, grease.

- Patch cracks with epoxy glue or specialized repair mortar.

Step 3: Apply new waterproofing layer

Use suitable waterproofing materials such as:

- SikaTop Seal 107 for toilets.

- Sika RainTite for exterior walls.

Apply enough layers, correctly according to the manufacturer's instructions.

Step 4: Check & maintenance

- Check waterproofing by water test.

- Proper maintenance: avoid impact, avoid direct sunlight (if necessary).

4. Tips for regular waterproofing maintenance

- Check areas prone to standing water after rain or when washing the house.

- Regularly clean drains and sewers to avoid water pressure on the roof and balcony.

- Seal small cracks and expansion joints with specialized materials.

- Do not drill or chisel on waterproofed walls or floors without protection.

Waterproofing is not just a one-time thing to do and then throw away. Periodic waterproofing maintenance and repair is the “silent shield” that helps your project to be sustainable against weather and time. Invest at the right time, in the right way so you don’t have to pay double later.

With many years of experience of the construction team, Hung Thinh waterproofing undertakes construction in all three regions including Hanoi, Da Nang and Ho Chi Minh City. We have a team of technicians who specialize in checking and carefully consulting customers, ensuring thorough, clean and professional construction, committed to a long-term warranty.

More: Wall waterproofing guide | reverse waterproofing of indoor walls

Hung Thinh Waterproofing Company - Clean - Thorough and Professional Waterproofing.

Headquarters: Lot 15, Area B3.12 Phan Ba ​​Vanh, Da Nang.

Saigon Branch: 162 Bui Thi Xuan, Ben Thanh Ward.

Hanoi Branch: 10B Do Nhuan, Xuan Dinh Ward.

 Hotline : 098.777.4268

 Website: Hung Thinh Waterproofing

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