In the design and use of materials and technologies for urban building waterproofing projects, the use of chemical waterproofing materials should be reduced or restricted as much as possible. While meeting the requirements of anti-leakage of buildings, the ventilation and humidity control functions of buildings should be fully paid attention to and increased. The safety, health and comfort of living, maintain the virtuous circle of urban natural ecology, and promote the harmonious development of the city and the natural environment.
The rapid development of industry and cities has promoted the rapid development of the global economy, and at the same time, it has also damaged natural ecosystems. The further away cities and nature are, the more difficult it is to develop in harmony. The resulting economic and social development, natural environmental protection, survival and Health and other social and people's livelihood issues have become increasingly prominent.
Waterproofing projects in urban buildings make extensive use of chemical waterproofing materials, such as JS waterproof coatings, waterproofing membranes, chemical grouts, and latex coatings. These chemical waterproofing materials block water and also prevent the circulation of water vapor between the building and the city. The water and gas resources such as rain and dew cannot be used effectively, the urban air is extremely dry, and the air is difficult to purify, which greatly affects our healthy life. Artificial chemical synthetic waterproof materials are mainly composed of petrochemical synthetic materials and a large number of chemical additives. This is because the materials and products are harmful to buildings, human settlements and the natural ecological environment, mainly for the following three reasons: First, these raw materials and products used in building waterproof materials consume a lot of energy in the industrial production process Resources, energy consumption, and emission of pollutants; second, during use and after use, some harmful components such as VOCs in the product will affect indoor and outdoor air quality, endanger human health and the comfort of the human environment, and even shorten the building The service life of the third; the chemically synthesized waterproof material has poor performance, is not resistant to aging, and has a short service life. It simply cannot reach the same service life as the building, and engineering quality problems often occur. After the end of its service life, it cannot be recycled. Whether it is incinerated or deeply buried, it will cause long-term pollution to the soil, water or air, seriously harming the city and the natural ecological environment.
Therefore, we must re-examine the waterproof materials and technologies of modern urban buildings, and adhere to the correct concept of environmental保护和头脑lth first. Building waterproofing should draw on and learn from the wisdom and experience of ancestors on building waterproofing, and combine modern science and technology to strive for safety, health, nature, environmental protection, economical practicality, and sustainable use.