1. What is a basement? The role of the basement

As we all know, the easiest to understand definition of a basement is the space arranged below the ground floor and located completely or partially underground, which is called a semi-basement. 

If in the past, basements were often only designed and constructed for large, public projects, today, ordinary townhouses are also designed with additional basements because of many important roles, including: is a garage for viewing, a business area, an entertainment space or a place to store technical boxes, air conditioning systems, cable TV or home power distribution systems. Building a basement both serves the function and saves space significantly, so it can be said that the basement plays an extremely important role in the entire functional design of the house.

2. Why must waterproof the basement?

In the entire project, waterproofing is considered an extremely important task because if not handled promptly, moisture is the cause of rapid deterioration of the project, causing mold. Pathogens affect the health of family members. In particular, waterproofing the basement is an urgent job because if not handled promptly, it will affect other items of the building.

3. The nature of basement waterproofing

To properly and accurately perform basement waterproofing, we must first understand the nature of basement waterproofing. Basement waterproofing is the job of waterproofing from the ground to the top and from the outside of the wall to the inside. It can be simply understood that blocking all water sources  from all directions has the risk of water seepage in the basement. 

Therefore, we want effective basement waterproofing. It is necessary to list the items that need waterproofing. From there, determine the most optimal basement waterproofing measures. Combine with waterproof materials accordingly.

4. Cause of basement seepage

For basement waterproofing to take place effectively. As well as accurately determine the most suitable basement protection measures. We need to analyze the causes of basement seepage. There are many different causes of basement water damage. Below are the main causes of basement water damage.

The design does not clearly understand the nature of waterproofing. Failure to comply with basement waterproofing rules.

Unable to determine appropriate basement waterproofing measures. Using poor quality waterproofing materials.

The construction contractor was not highly skilled and did not properly comply with basement waterproofing work. It can be mentioned that in the process of pouring waterproof concrete, the wrong grade of concrete or poor quality concrete is used, creating porosity that causes water to seep.

In addition, the cause of basement ants being waterlogged also comes from many different reasons. During the construction process of each project, the contractor must rely on the nature of that project. To find the cause as well as the most effective waterproofing solution.

5. Effective basement waterproofing measures

5.1 Basement waterproofing measures on previously constructed surfaces

For previously constructed basement surfaces, basement waterproofing measures need to follow the standard steps below.

• Clean the waterproof surface, remove impurities and dents on the surface of the basement. In this step, make sure the waterproof surface is clean and flat.
• After cleaning impurities and removing protrusions on the surface to be waterproofed, repair mortar with additives will be used on the surface of cracks and openings.

5.2 Basement waterproofing measures using hot torch membrane

Using hot torch membrane is the second method you can apply to effectively waterproof the basement. To do this, follow these steps:

- Apply adhesive layer:

• Use a paint roller to apply the adhesive layer onto the waterproof surface. Be careful while sweeping so that the adhesive layer will be spread thinly and evenly on the surface of the basement. 
• Wait for the adhesive layer to dry, then we can apply the membrane for waterproofing.

- Choosing Bitumen waterproofing membrane:

• Before applying the membrane, we need to carefully check the entire membrane layer. Make sure the glued or torched surface is facing down.
• To avoid errors during the membrane gluing process, it is necessary to place the rolls in the location that needs to be waterproofed. 
• Spread out the waterproofing film to paste.
• The operating principle of the waterproofing membrane is that after heat is applied, it will adhere tightly to the surface that needs to be waterproofed. Therefore, we will use a hot torch to melt the surface of the adhesive layer. The machine's flame will move back and forth so that the waterproofing membrane sticks to the surface tightly from the adhesive layer.
• The final step is to use mechanical force to press and press the waterproofing membrane tightly onto the surface of the basement.

When carrying out waterproofing measures in the basement with hot torch membranes, you need to pay attention to the overlap position. Locations must be reinforced. During the procedure, if you see that the membrane is bulging. Need to puncture and use another waterproof membrane over it. In particular, to protect the membrane from being damaged or torn, it is necessary to add an additional layer of protective film.

5.3 Basement waterproofing measures using self-adhesive waterproofing membrane

Compared to other basement waterproofing measures, this method is considered much easier and simpler. Below is the procedure:

• Spread the waterproofing membrane on the surface to be waterproofed, then peel off the plastic layer on the surface to paste it on the surface of the basement.
• This waterproof membrane does not require heat. It should be noted that the overlap amplitude between adjacent times will range from 70 - 100mm. 
• The final step is to add a layer of concrete 3 - 4cm thick on the surface of the waterproofing membrane. To protect the waterproof surface, prolong the durability and longevity of the project.

5.4 Measures to waterproof the basement with paint or waterproofing products

Currently, waterproofing products are produced so that we can more easily do waterproofing work. This includes paint or sweeping waterproofing products. Below is the process of waterproofing a basement with paint and paint-based products:

• First we need to round the corners of the basement and saturate it with water. This prevents the concrete from being dehydrated, affecting the waterproofing process because the waterproofing material will not penetrate deeply into the surface of the basement to create a bond.
• Proceed to cover the corners of the basement with Sika Latex/ Sika Latex TH + yellow sand cement.
•  Apply a thin layer of waterproofing, then glue the glass mesh and round the corners to a surface 10 - 15cm wide.
• Use paint or other waterproofing products to apply to the waterproof surface. It is necessary to ensure that the scanning layer is perpendicular from top to bottom.
• The average thickness of each waterproof layer will be 1mm. The dosage of waterproofing layer used will depend on the nature of each basement. Usually ranges from 2 - 6kg.

Note that during construction, do not mix too much because the mixture will easily dry out if not applied in time. Especially after finishing, it is necessary to maintain the waterproofing layers to create a bond.

5.5 Measures to waterproof the basement with waterproofing chemicals

Waterproofing the basement with chemicals is the next effective waterproofing method. To implement this measure, you need: 

• Water the waterproof surface;
• Apply chemicals to the surface that needs waterproofing treatment. Note that there should be an interval of 2 - 4 hours for each layer of waterproofing. During scanning, it is necessary to adhere to the second layer perpendicular to the first layer.

Basement waterproofing is an extremely important job. Because it determines the quality and sustainability of the basement as well as the entire project. Therefore, it is necessary to follow basement waterproofing measures correctly. Hope the information we provide. Helps you easily handle basement waterproofing most effectively.

6. Introducing a reputable design & construction consulting service provider

The importance of construction units is undeniable because their reputation will ensure the quality and aesthetics of your project. Today, there are many units providing construction design services to meet the increasing construction demand in our country. Therefore, finding a reputable unit is not easy and requires you to spend time researching. During the selection process, you need to research carefully and ensure that the accompanying unit must have high professional qualifications, many years of experience, have a clearly signed contract, transparent costs,... Because Currently, according to feedback from some customers contacting Hung Nghiep Phu, there are many units impersonating construction design consulting companies to scam people for many different purposes. To help customers save time searching, Công ty TNHH Đầu Tư Xây Dựng Hưng Nghiệp Phú confidence will be the best choice for you.

Hung Nghiep Phu Construction Investment Co., Ltd. with the mission of bringing the best solutions and services, accompanying customers to build a prosperous community, Hung Nghiep Phu has been gradually affirming its brand. me. Trust through sincere cooperation, with a team of dynamic, creative, dedicated leaders with strategic vision. Hung Nghiep Phu owns a team of skilled and highly qualified staff who will bring customers the best quality projects. 

Hung Nghiep Phu Construction Investment Company Limited - specializes in the construction of civil and industrial projects. We hope to be able to accompany customers in construction projects as well as legal procedures such as preparing planning documents, applying for construction permits, completing works, and applying for fire prevention certificates. ,... If you have any questions or are in need of designing and completing a project, please contact us immediately for a free consultation!

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