目前,我国建筑防水材料基本分为四大类,即防水卷材类(有胎类),防水片材类(无胎类),防水涂料类,防水油膏类,现将这四大类中主要品种、价格、性能、优点和不足,市场预测综述如下:一、防水卷材类防水卷材的发展方向,目前仍以普通沥青 At present, China’s building waterproof materials are basically divided into four major categories: waterproof membranes (with tires), waterproof sheets (without tires), waterproof coatings, waterproof ointments, now these four categories The main varieties, prices, performance, advantages and disadvantages, market forecasts are summarized as follows: First, the direction of the development of waterproofing membranes waterproof membrane, still using ordinary asphalt