INSUFFICIENT WATERPROOFING LAYER - A SILENT DANGER FOR EVERY PROJECT

1. Subjectivity Causes Water Leakage in Construction

In waterproofing construction, many people think that just applying enough layers is enough. But they ignore an extremely important factor: the thickness of the waterproofing layer. This is the "silent enemy" that makes the construction that seems to be protected easily penetrated by water after a short time.

Water seepage not only causes loss of aesthetics and peeling of walls, but also affects the concrete structure, reducing the life of the project. The dangerous thing is that the cause comes from the waterproofing layers that are not thick enough according to technical standards.

2. Causes of Insufficient Thickness

There are many causes for this condition, but the most common are:

- Lack of experience: Inexperienced or poorly trained construction teams often do not have a clear understanding of technical processes and standards.

- Intentionally cutting down on materials: Some construction units, in order to reduce costs and increase profits, intentionally dilute waterproofing materials or construct with a thinner thickness than specified.

- Subjective supervision: Homeowners or supervising engineers do not closely monitor the construction process, leading to errors not being detected and corrected promptly.

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3. How Thick Should the Waterproofing Layer Be?

Depending on the materials used, each waterproofing system has a minimum thickness standard to ensure water resistance:

The above figures are for reference only. Before construction, you need to carefully read the product specifications and construct according to the manufacturer's standards to ensure the thickness of the waterproofing membrane.

If applied thinner, the material will not create a strong and tight enough bond film, leading to leakage after a short time.

4. Risks When Waterproofing Layer Does Not Reach the Right Thickness

- Does not form a tight film: Thin areas will be weak points for water to penetrate.

- Easy to crack: The waterproof membrane is too thin and does not stretch with the concrete floor, easily cracking when the weather changes.

- Rapid deterioration: The life of the waterproofing layer is reduced by half, even in just a few months.

- Expensive repairs: Breaking and redoing costs 2-3 times more than the original standard construction.

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5. How to Identify a Too Thin Waterproof Layer?

Some signs of a too thin waterproofing layer at the site:

- Mottled, uneven surface.

- See through pits, rough surface.

- Not smooth to the touch.

- Easy to peel off when gently prying with hands.

6. How to Apply the Right Thickness Technically?

To ensure the waterproof layer has the correct thickness

1. Apply at least 3 coats (depending on material).

2. Ensure material standards follow manufacturer's instructions (kg/m²).

3. Do not stretch or over-dilute the material.

Tip: Using fiberglass mesh reinforcement will help the waterproofing layer to be thicker, more even and more effective in preventing cracks.

In waterproofing construction, thickness is not a small detail, but a vital factor.

Test thoroughly, monitor closely, and never compromise quality for a few millimeters of material.

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, with a long-term warranty.

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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.

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