Weifang Zhengtai Waterproof Material Co., Ltd. was established in 2001 year with the registered capital of 1 billion , covering area of 60000 square meter .

When it becomes necessary to waterproof buildings, two prevalent options are PVC waterproofing membranes and asphalt waterproofing membranes. This article aims to evaluate the advantages and disadvantages of these two types of waterproofing membranes, assisting you in making a well-informed decision.

1. Material Composition

PVC waterproofing membranes are constructed from polyvinyl chloride, whereas asphalt waterproofing membranes are made from a combination of bitumen, elastomers, and fiber materials. PVC membranes exhibit superior chemical stability and resistance to weather conditions, making them generally more durable than their asphalt counterparts.

2. Installation

The installation processes for PVC and asphalt waterproofing membranes vary significantly. PVC membranes can be installed through methods such as hot gas welding or chemical welding, while asphalt membranes require installation techniques involving flame or hot gas. The use of flame in the installation of asphalt membranes necessitates careful attention to safety protocols.

3. Durability

In terms of durability, PVC waterproofing membranes typically outperform asphalt membranes. PVC membranes can endure higher temperatures, whereas asphalt membranes are susceptible to damage from ultraviolet rays and elevated temperatures. Furthermore, PVC membranes are resistant to chemical corrosion, while asphalt membranes can be adversely affected by acids, alkalis, and other corrosive substances.

4. Maintenance

Maintenance requirements for PVC and asphalt waterproofing membranes also differ. Due to their enhanced durability, PVC membranes generally incur lower maintenance costs. Maintenance primarily involves cleaning and inspecting the surface for any cracks or damage. In contrast, asphalt waterproofing membranes necessitate regular applications of waterproof coatings to ensure their effectiveness.

5. Price

The cost of PVC waterproofing membranes typically exceeds that of bitumen waterproofing membranes. This disparity arises from the higher production expenses associated with PVC membranes, which also offer a longer service life.

Generally, PVC waterproofing membranes are more appropriate for structures requiring extended protection compared to asphalt waterproofing membranes. While the initial investment for PVC membranes may be greater, they can prove to be more cost-effective over time due to their durability and reduced maintenance requirements. Conversely, bitumen waterproofing membranes are better suited for short-term or budget-sensitive projects. It is also important to consider additional factors when selecting a waterproof membrane, such as environmental conditions, the type of building, and the complexity of the engineering involved. Therefore, prior to making a selection, it is advisable to consult with Zhengtai waterproof materials to ensure the chosen waterproofing membrane aligns with your specific requirements.