roofage

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

传统使用的沥青油毡屋面目前仍大量存在,由于受自然环境的长期侵蚀及其的影响,防水经常发生局而造成渗漏。