Marshalls Street Furniture 58P Series Ferrocast Tree Grilles are modern in design and are constructed from polyurethane, which is an ideal material for tree protectors. A Ferrocast Tree Protection Grille is not only resistant to corrosion but also the degradation that can be caused by street cleaning equipment. Tree protector grilles are also abrasion resistant and, because of their through colour, always present an optimal appearance. Ferrocast tree grilles are much lighter than cast iron and will reduce the risk of manual handling injuries (Manual Handling Operations 1992). Ferrocast tree grilles are supplied in two parts. Discounts of up to 15% are available for bulk orders on certain products. Call, live chat or email us for details.