This paper proposed coil material waterproof roofing construct. Precautions and treatment method with project instance had great significance to similar project.

本文结合工程实例，提出了卷材屋面防水施工注意事项及处理方法，对类似工程施工具有重要的指导意义。

youdao

He lived and worked in a poor community and he noticed many residents used material from old billboards for roofing, because it was waterproof and mildew-proof.

FORBES: What an Idea: Surfboard Bags from Billboards