This performance record has made Firestone Building Products the leading supplier of Single-PlyRoofing Systems.
其出色的性能使得凡士通建筑产品公司成为单层屋顶系统生产的龙头。
2
Install, repair or replace single-plyroofing system using waterproof sheet materials such as modified plastics, elastomeric or other asphaltic compositions.