WATERPROOFING ON OLD FLOOR: THE MORE WRONG YOU DO IT - THE WORSE THE LEAKAGE IS

1. Re-wetting After Waterproofing - Why?

Have you ever heard:

- My house is waterproofed but it still leaks.

- Added several layers of waterproofing but still no effect.

In fact, waterproofing old foundations is a much more difficult problem than waterproofing new foundations. Why?

- The old material layer may be damaged, peeling, or losing its bond.

- Long-term damp ground retains water inside - causing reverse osmosis.

- Cracks - pipe neck - old stop circuit are not thoroughly treated.

More: https://chongthamhungthinhdanang.com/tin-tuc/5-dau-hieu-canh-bao-ngoi-nha-ban-dang-bi-tham-ma-ban-khong-nhan-ra

2. Common Mistakes When Waterproofing Old Foundations

3. How to Waterproof Old Floors Properly

Step 1: Survey & inspection

- Check if the old waterproofing layer is still adherent.

- Determine the location of cracks, pipe necks, and stop circuits.

Step 2: Remove the old layer if necessary

- Use a grinder/chisel to remove all the old, cracked waterproofing layer.

- Completely clean dirt, impurities, and grease.

Step 3: Crack & Pipe Collar Treatment

- Seal cracks with Epoxy and Sikaflex Construction.

- Waterproof pipe collar with expanding rubber strip + Sika Grout.

Step 4: Apply new waterproofing layer

Step 5: Maintenance & water test

- Soak in water for about 72 hours.

- Observe the ceiling/wall surface below.

More: https://chongthamhungthinhdanang.com/tin-tuc/ngam-thu-nuoc-sau-khi-thi-cong-chong-tham

4. Advice for Homeowners: The Sooner You Fix It - The Less Money You Lose

Many of Hung Thinh's customers have repaired it 3-4 times, spending tens of millions but it still doesn't work.

In the end, the whole thing had to be re-chiseled and redone according to the correct procedure, which was many times more expensive.

Don't let waterproofing mistakes cost you money and frustration.

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: Waterproofing the terrace, cracked floors will also stop leaking with this method

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

 Hotline : 098.777.4268

 Website: Hung Thinh Waterproofing

 Youtube channel: Hung Thinh Waterproofing

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