PVC geomembrane developed for waterproofing of buried structures such as subway, railway, highway tunnels, stations, etc. To learn more about this product, go

PVC Tarp or PVC Film developed for several floor environments, such as, corridors, halls, waiting rooms, conference environments, fair booths, industry, etc.

Venting duct or pipe for mining (underground), railroads and highways tunnels and galleries. Used in the air injection and / or exhaustion, compatible with several models of axial fans, meeting the most diverse requirements of work pressure.