Eco Fencing Maintenance FREE fencing system - PVC fencing posts ..Eco Fencing is made from 95% recycled PVC-U. Eco Fencing is a maintenance free fencing system that can be used with timber fencing panels or existing concrete posts. . When used with Atkinsons range of fence panels it can transform your garden giving a modern and unique look. . Woodgrain - Walnut. View Products.