The difference between the traditional waterproof materials and new type waterproof material

Traditional building waterproof materials refers to the traditional oil paper tire linoleum, epoxy coal tar coating such as fuzhou waterproof material. Exist in this kind of waterproof material is sensitive to temperature, tensile strength and low elongation, the worse performance of resistance to aging faults: especially for the leakage waterproof engineering, high and low temperature properties is bad, easy to cause aging, cracked, deformation, fracture and decay phenomenon such as: this kind of waterproof material at present although has stipulated the waterproof practice of 'three felt four oil', in order to extend its durable fixed number of year, but increased the thickness of the membrane, but also increase the labor intensity of workers, especially for the complex roof shape and protruding roofing part in, the roof of the construction is difficult, to guarantee the quality and also increased the difficulty of maintenance. At present the traditional petroleum asphalt felt paper tire sleeve in the small and medium-sized cities as the proportion of the waterproof layer is still very big, together with the glass cloth child linoleum, glass fiber, linoleum, accounts for about 85% of waterproof materials in China. New building waterproof materials is relatively traditional stone cuff asphalt linoleum and auxiliary materials such as traditional building waterproof materials, the word 'new' generally has two meanings, one is the material of 'new', the second is 'new' construction method. To improve the performance of the traditional building waterproof material and improve its waterproof function, make traditional waterproof material waterproof 'new' material, is an effective way, such as the catalyst for catalytic oxidation process of asphalt, asphalt performance of low temperature cold short got fundamental change, make it become the high quality oxidized asphalt, asphalt felt paper bond performance has been greatly improved, on the basis of the tires and glass fiber with glass cloth to gradually replace paper, paper further overcome the low tire strength, elongation and low oil absorption series of faults, improve the quality of asphalt felt. However, only by improving performance of the traditional building waterproof material and improve its waterproof function, making it the 'new' waterproofing materials this way is not enough, as soon as possible in order to improve the present situation of our waterproof engineering, the ministry of construction has adopted a series of comprehensive control measures, formulate the development, promotion, new technology of building waterproof materials and waterproof construction of policies and regulations. In 1986 issued by the construction technology policy, develop to 'improve the quality of asphalt waterproof material and waterproof coating, developing, high-grade waterproofing materials, coatings and sealing waterproof sealing material, during the '>' key new products waterproof, fire prevention, insulation materials, comprehensive application technology research and development work, establish and develop product series, the standard and application procedures, achieve international generally 10 years after the 70 s, 80 s levels,' the construction engineering of waterproof policy, of building waterproof materials developed in our country, pointed out the direction and development goal, the goal is a basic implementation. Through the joint efforts of more than 10 years. A large variety, all kinds of new fuzhou waterproof materials has been developed successfully, and gradually put into use, has made gratifying achievements. New building waterproof materials mainly include synthetic polymer modified asphalt waterproofing materials, polymer waterproofing materials and waterproof coating, waterproof sealing material, plugging materials, rigid waterproofing materials. At present, the domestic waterproof material can basically ensure the construction projects, such as national key projects, industrial and agricultural building house of high, medium and low grade of different waterproof materials use requirement.