• LDPE Geomembranes System 1
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LDPE Geomembranes

LDPE Geomembranes

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LDPE Geomembranes

Products Description

   This product is extruded PE membrane formed by adding anti- oxidant, absorbent of ultraviolet and dyestuff into HDPE or LDPE or EVA and will provide an effective barrier to of liquid

water and water vapor.

Characteristics

·HDPE performs well in mechanical properties ,ageing-resistance , chemical-resistance ,climate- resistance and

resistance to puncture .

·LDPE & EVA feathers great elongation, good flexibility at low temperature, softness and easy

installation.

·ECB ,high-class waterproofing rolls, is formed by combining ethylene polymer with oil-resin.

Products Specification

Name

Thickness(mm)

Width(m)

HDPE

0.75-2.5

4-8

LDPE

0.2-2.5

4-8

EVA

0.2-2.5

2-8

ECB

1.0-2.0

2-8


Features:

1.All physical factors such as anti-draw, anti-tear, and anti-stab meet the requirement of water works, chemicals, tunnels,

 and transportation project in most conditions.
2.Good aging, durable performance, and wide temperature range, it can be useful over

thirty years on the condition of -60æ«60æ.
3.Anti-stab and fine friction factors.
4.Canker proof, acid and alkali proof, untoxic.
5.Lower cost per unit area, cost is 1/3«1/2 lower than that of PVC film, glass and cloth.
6.Convevient to install and dependable effect.

Application Rage


Q:Can a waterproofing membrane be used for a water tank liner?
Yes, a waterproofing membrane can be used as a water tank liner. Waterproofing membranes are designed to prevent water from penetrating through surfaces, making them an effective choice for lining water tanks and preventing leaks.
Q:Are there any drawbacks or limitations to using a waterproofing membrane?
Using a waterproofing membrane comes with its fair share of drawbacks and limitations. One issue is the time-consuming and labor-intensive installation process. These membranes require careful surface preparation and multiple layers, which can be both time-consuming and require skilled labor. As a result, the overall cost of the project may increase. Another limitation is that not all surfaces are suitable for waterproofing membranes. Certain membranes are designed for specific types of substrates, such as concrete or metal, and may not adhere properly to other materials. To ensure proper adhesion and effectiveness, it is crucial to select the appropriate type of membrane for the specific surface. Moreover, waterproofing membranes can be sensitive to environmental conditions. Exposure to extreme temperature fluctuations, UV rays, and chemicals can degrade the membrane over time, reducing its effectiveness. To ensure the longevity of the membrane, regular inspections and maintenance may be necessary. Furthermore, during installation or due to external factors such as foot traffic or heavy objects, waterproofing membranes can be susceptible to damage. Punctures, tears, or improper installation can compromise the integrity of the membrane and reduce its ability to prevent water infiltration. Lastly, in certain situations, waterproofing membranes may not completely prevent water penetration. If there are existing cracks or structural issues in the substrate, water may find a way to seep through, bypassing the membrane. Therefore, it is important to address any underlying structural issues before applying the membrane to ensure optimal performance. In conclusion, while waterproofing membranes offer significant benefits in terms of water damage protection, it is crucial to consider these limitations and drawbacks before deciding to use them in specific applications.
Q:How does a waterproofing membrane withstand temperature changes?
The material composition and structural properties of a waterproofing membrane are designed to withstand temperature changes. Typically made of materials like modified bitumen, EPDM, PVC, or TPO, these membranes have inherent properties that allow them to expand and contract with temperature variations, ensuring their effectiveness and integrity. Flexibility is a crucial aspect of these membranes, as it allows them to accommodate temperature changes. When exposed to heat, the membrane expands to prevent any cracks or splits. On the other hand, in colder temperatures, it contracts to maintain its integrity and prevent any gaps from forming. This flexibility also helps absorb any movement or stress caused by thermal expansion and contraction, preventing damage to the waterproofing system. In addition to their flexibility, these membranes often include additives that enhance their resistance to temperature changes. UV stabilizers protect the membrane from sunlight damage, while thermal stabilizers help maintain its integrity and performance in extreme temperatures. Furthermore, proper installation techniques are vital for the ability of waterproofing membranes to withstand temperature changes. Sufficient overlap and secure sealing of joints and seams create a continuous and strong barrier against water infiltration. This ensures that the membrane remains effective, even when faced with temperature fluctuations. In conclusion, waterproofing membranes are specifically engineered to withstand temperature changes by utilizing flexible and durable materials, incorporating additives to enhance resistance, and employing proper installation techniques. This allows the membranes to adapt to varying temperature conditions, maintaining their effectiveness and providing long-lasting protection against water intrusion.
Q:Can a waterproofing membrane be used in conjunction with building code requirements?
Indeed, the application of a waterproofing membrane can be utilized alongside the mandates of the building code. The building codes commonly necessitate sufficient safeguard against moisture, particularly in regions susceptible to water seepage like basements, bathrooms, and roofs. Waterproofing membranes are deliberately crafted to establish a barrier that thwarts water infiltration, thereby bestowing an extra shield against predicaments stemming from moisture such as leaks, mold, and structural deterioration. Through the adoption of a waterproofing membrane that satisfies or surpasses the prerequisites stipulated in the building code, constructors and contractors can guarantee adherence to the regulations while simultaneously bolstering the sturdiness and durability of the edifice.
Q:How does a waterproofing membrane adhere to a variety of surfaces?
A waterproofing membrane adheres to a variety of surfaces by utilizing a strong adhesive backing or by being applied with a suitable adhesive. This allows it to bond effectively to different materials such as concrete, wood, metal, or even existing waterproofing layers. Additionally, some membranes may also have self-adhesive properties that eliminate the need for an external adhesive.
Q:What is the difference between PET waterproofing membrane and BAC waterproofing membrane? What is the commonality? Is BAC a PET?
BAC is not equal to PET, carcass material is not the same, and BAC also fiberglass tire coil.
Q:Can a waterproofing membrane be used for laboratories or research centers?
Yes, a waterproofing membrane can be used for laboratories or research centers. Waterproofing membranes are effective in preventing water infiltration and can help protect sensitive equipment, materials, and experiments from water damage. They can be applied to various surfaces such as floors, walls, and roofs to create a watertight barrier, ensuring a safe and dry environment for laboratory and research activities.
Q:Can waterproofing membranes be used on outdoor fountains?
Yes, waterproofing membranes can be used on outdoor fountains. These membranes are designed to provide a protective barrier against water, preventing leakage and ensuring the longevity of the fountain. Applying a waterproofing membrane can help to seal any cracks or gaps, keeping the water contained within the fountain and preventing any damage to the surrounding area.
Q:Are waterproofing membranes resistant to ammonia?
Waterproofing membranes are generally resistant to ammonia. Ammonia is a chemical compound commonly found in cleaning agents and fertilizers, and it can be corrosive to certain materials. However, waterproofing membranes are specifically designed to withstand various chemicals and environmental conditions, including exposure to ammonia. These membranes are typically made from materials such as polyvinyl chloride (PVC), ethylene propylene diene monomer (EPDM), or modified bitumen, which have excellent chemical resistance properties. Therefore, when properly installed, waterproofing membranes should be able to provide a barrier against ammonia and prevent its penetration into the underlying structures. It is important to note that the specific resistance of a waterproofing membrane to ammonia may vary depending on the type and quality of the membrane, as well as the concentration and duration of exposure. Hence, it is always recommended to consult the manufacturer's guidelines and perform compatibility testing before using any waterproofing membrane in an environment with ammonia presence.
Q:Are there any specific installation techniques for corners and edges when using a waterproofing membrane?
Using a waterproofing membrane requires specific techniques for installing corners and edges. These techniques are necessary to guarantee proper sealing and protection against water infiltration. For corners, it is advisable to utilize corner flashings or preformed corner pieces that are specially designed for waterproofing applications. These flashings or pieces are typically made of flexible materials like rubber or PVC. They should be placed over the membrane, securely fastened to the substrate, and overlapped with the membrane to create a continuous barrier against water. When dealing with edges, installing edge flashings is crucial to prevent water from seeping beneath the membrane. Edge flashings are installed along the perimeter of the waterproofing membrane and are usually made of the same material as the membrane itself. They should be firmly sealed and securely fastened to the substrate to ensure a tight and dependable seal. In addition, it is important to properly overlap the membrane at corners and edges to create a seamless and continuous barrier against water. It is necessary to carefully follow the manufacturer's instructions to determine the correct width and method of overlap. In general, a minimum overlap of at least 2 inches is recommended for corners and edges. Overall, the specific installation techniques for corners and edges when using a waterproofing membrane involve the use of corner and edge flashings, proper sealing and fastening, and correct overlap of the membrane. By adhering to these techniques, a reliable and effective waterproofing system can be achieved.

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