PVC waterstop, hydrophilic waterstop

Pvc Waterstop, Hydrophilic Waterstop

Waterproofing is one of the most important parts of the construction process.
The developments used for this purpose are progressing in parallel with the progress in the construction industry.

Chemical Concrete Company, which always closely follows the innovations of this sector and focuses on the development of its product range, is still your solution partner in the latest products related to waterproofing.
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Types of waterproof tape and the application of waterproof tape is one of the important parts of waterproofing. If you are planning to use waterproofing tape in your construction and you are researching the most ideal types of waterproofing tape for this job. We recommend reading this article!

What is waterproof tape?

Before we discuss the types of waterproof tapes and their uses, let’s get to know this material better. Waterstop is a suitable construction product for concrete, the purpose of which is to prevent liquids from penetrating into concrete. Therefore, the use of waterstop tape in multi-stage concrete is necessary.

Where is the waterproof tape used?

Types of waterstop tape and applications of waterstop tape are on the agenda of experts in this field. However, if you’re just starting to research this area or if you’re wondering exactly where these applications will apply in your construction, we’d like to enlighten you. Waterstop tapes are used to prevent the passage of liquid or liquid-containing structures, foundation walls, tunnels and similar concrete structures. Other fields of application include:

واتراستاپ-چیست؟کجااستفاده-میشود-بتن-شیمی

• Straps
• Tunnels
• Water tanks
• Waste treatment units
• Swimming pools
• channels
• bridges
• Metro stations
• Sewage systems
• Irrigation channels
• Transport tunnels
• Hydropower plants
• Protective walls
• The floor
• Industrial buildings

انواع واتر استاپ ها از لحاظ محل قرار گیری

The quality of waterproof tapes:

Knowing the properties of waterproof tapes, which are essential for insulation applications in buildings, will help you make the right choice. When choosing types of waterproofing tape, you need to make sure that your waterproofing tape has these features. We can summarize the features required for an ideal waterstop tape as follows: All types of waterstop tapes have high tensile strength.
These strips have high elongation due to the area of use.
High-quality types of waterproof tapes generally have internal elasticity and excellent sealing.
Waterstops are very resistant to acids, sea water and even diesel.
Waterstop tapes are highly resistant to alkalis, chlorinated water and other water-based chemicals.
Waterstops are of high quality and meet the required standards.
Waterstop strips do not change the color of concrete.
Waterstop has no electrolytic effect on surrounding metals.
Waterstops can withstand hydrostatic pressure.
Waterstops can be welded to each other with electric welding devices or industrial hair dryers.
Waterstops can withstand expansion and contraction movements of joints.
Waterstops are compatible with any deflection or movement caused by temperature changes or different placement of the foundation.
They are easy to assemble by attaching the PVC waterstop clamp to a guide armature.
PVC compound has unique properties such as ease of use and low temperature flexibility.
Waterstop comes in rolls that are easily portable, flexible and can be bent around corners or curves as needed.

نوارواتراستاپ-هیدروفیلی-Pvc-بتن شیمی

Types of waterproof tape:

The types of waterproof tapes ideal for you are included in this list. You can choose the most suitable types of waterproofing tapes according to your business needs and construction characteristics. Since water seeps through the joints of a concrete structure, they are the most vulnerable areas for leaks and cracks. In most structures this leads to mold and mildew growth and can affect the integrity of the structure. There are several areas of waterproofing for construction joints, each with different strengths and weaknesses and suitable for specific applications.

Waterproof pvc:

Waterstop is a product that is used to seal parts of concrete that have seams due to illegal reasons such as pouring concrete at different times, changing the angle of the concrete surface, etc. Utrastop is mostly used in cases where concrete is subject to passing through and contacting liquids. It is used in swimming pools, sewers, etc. Waterstops are made of PVC and have the ability to increase the length and flexibility suitable for use in sealing concrete joints.
PVC waterstop tape embedded in concrete joints acts as a continuous waterproof diaphragm to prevent liquid leakage in building joints exposed to hydrostatic pressure. It is designed for expansion or contraction joints. It can accommodate lateral and transverse stretching movements that allow it.
Include dynamic connections. Various widths, thicknesses and sizes are available to fit almost all construction fittings. The advantage of PVC waterstops is that they can be installed in almost any condition, including rainy and wet conditions. They also tend to last a long time. The problem occurs during the installation process.

How to use waterproof PVC strips?

After getting information about the types of waterstop tapes, it is time to use waterstop tapes. In general, the appropriate waterstop tape applications are determined by the performance of preventing water and other chemicals present in the water. Any deviation and inconsistency should be avoided. The best way to install the waterstop PVC strip is to install it with the help of clamps to the guide armature with a distance of about 20 to 25 cm from each other so that it fits in the middle of the wall and half of it inside the primary concrete.

How to install Waterstop?

To connect waterstop to each other, you can use an industrial hair dryer so that you put about 20 to 40 cm of waterstop on each other with the help of heat.

Concrete joints, where two or three sections of concrete meet, are the weakest points that are easily exposed to liquid leaks. Therefore, a number of Waterstop products are designed to form a moisture barrier to deal with these issues.

Proper installation determines the performance of waterstops in waterproofing and reduces flaking and cracking of the surrounding concrete.

Preparing to use Waterstop:

Open the waterstops before installation. to return to the straight position – which makes it easy to work and install the waterstop. Check the waterstop for defects or cracks. Repair defective waterstops before use.

نوار-واتراستاپ-پی-وی-سی

Waterstop installation:

Put the waterstops in the right position. Make sure that about half of its width is sunk into the concrete.
Make sure to fasten the waterstop with the help of clamps to the guide armature that you prepared in advance at the waterstop installation site at a distance of about 20 to 25 cm from each other.
Now, perform the first step of concreting in such a way that it covers the waterstop ice.
Be careful in the second stage of concreting. Concreting does not damage the waterstop. (Don’t worry if the installation is done correctly)

واتراستاپ-هیدروفیلی

Waterstop properties:

• High resistance to water pressure
• High resistance to chemical and petroleum substances (these types of waterstops are produced only according to the order.)
• High resistance to acidic and alkaline PH, easy to use and install
• In accordance with DIN, BS, ASTM standards
• High flexibility
• Sufficient mixing with concrete
• Variation in size and shape
• Equality of waterstop life and concrete life
• Appropriate tensile strength in longitudinal and transverse directions

واتراستاپ-پی-وی-سی-15-ساده

Waterstop application:

Sealing the seams of concrete structures exposed to hydrostatic pressure
Sealing the seams of concrete structures in the vicinity of water and liquids
Sealing dams, canals and concrete pipes
Sealing water and chemical tanks

واتراستاپ-پی-وی-سی-30-حفره-دار

Hydrophilic waterstop:

Hydrophilic Water Stop is a type of modern sealing tape that is made and produced on the basis of rubber. This tape is used for sealing various seams. The way Hydrophilic Waterstop works is that it increases in volume after contact with water. This increase in volume reaches about 400% 14 days after the first call. That means its volume will be almost 5 times.

In waterstop bentonite, which is similar to it, the volume increase process starts 6 hours after the first contact with water. Hydrophilic Waterstop will increase in volume up to 400% after contact with concrete water and up to 500% after contact with rainwater. These blue waterstops are very resistant to weather changes.
Water stop is used in order to prevent water leakage and passing through executive, expansion joints, as well as concrete cutting sections, which changes size and shape depending on the type of section used and fluid pressure.

Hydrophilic expandable waterstop is installed after pouring the first layer of concrete (old concrete) and before the new layer (new concrete) in order to seal the created executive seam. Therefore, there is no need to divide and specify the exact location of the executive seam in advance.

واتراستاپ-پی-وی-سی-24-ساده

Correct installation of hydrophilic waterstop is one of the key factors that reduces the risk of changing the location and displacement of hydrophilic waterstop during concreting and increases the chance of being exposed to water collected behind the seam. The expansion process starts immediately after the contact of Hydrophilic Waterstop with water.
Therefore, the installation of hydrophilic waterstop should be done right before pouring new concrete (secondary concrete). This reduces the chance of premature expansion of the hydrophilic waterstop due to exposure to moisture. Use polyurethane glue to install hydrophilic waterstop on the previous concrete.

Correct installation of hydrophilic waterstop is one of the key factors that reduces the risk of changing the location and displacement of hydrophilic waterstop during concreting and increases the chance of being exposed to water collected behind the seam. The expansion process starts immediately after the contact of Hydrophilic Waterstop with water.
Therefore, the installation of hydrophilic waterstop should be done right before pouring new concrete (secondary concrete). This reduces the chance of premature expansion of the hydrophilic waterstop due to exposure to moisture. Use polyurethane glue to install hydrophilic waterstop on the previous concrete.

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