... building site 2)nylon, polyvinyl alcohol,polyethylene 3)Factory Building Safety Protecting Netting Material: HDPE, PE(polyethylene), PP, Nylon, polyester, polyvinyl alcohol ... per square meters. Use: In the construction of buildings, construction safety net is used to circle the building site, in order ... are usually packaged in 50,100 or 200m/roll. Building Safety Protecting Netting