1.The paper analyzes the causes of seepage of asphalt felt roofage and puts forward the repairing ways on partial damage of waterproof roofage.

1.传统使用的沥青油毡屋面目前仍在,由于受自然环境的期侵蚀及其它因素的,水层经常发生局部损坏而造成渗漏。