roofage

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

传统使用油毡屋面目前仍大量存在,由于受自然环境长期侵蚀及其它因素影响,防水经常发生局损坏而造渗漏。