The Formline Tree Ring 100mm x 900mm is a durable steel edging solution designed to create a neat, circular border around newly planted and established trees. Ideal for landscaping, streetscapes, parks, commercial developments, and residential gardens, the tree ring helps define mulch zones, reduce lawn encroachment, and protect the root zone from mowing and maintenance equipment. Manufactured from high-quality Australian steel, Formline Tree Rings are quick to install and provide long-lasting performance in demanding outdoor environments. Choose from two premium finishes to suit your project: Galvanised Steel – Offers outstanding corrosion resistance with a clean, modern silver finish, making it ideal for projects requiring long-term durability. Weathering Steel – Forms a distinctive protective rust-like patina over time, creating a natural finish that complements native landscapes and contemporary garden designs. With a 100mm profile height and 900mm diameter, this larger tree ring is ideal for protecting established trees, feature plantings, and creating generous mulch zones. Key Benefits Creates a neat and professional tree surround Helps retain mulch and moisture around trees Reduces grass and weed encroachment Protects tree bases from mower and whipper snipper damage Manufactured from durable Australian steel Available in Galvanised or Weathering Steel Quick and easy to install Suitable for residential, commercial, and civil landscaping projects Available Variants Galvanised Steel – SKU: CPG100900 Weathering Steel – SKU: CPW100900 Use Cases Street tree installations Parks and public open spaces Commercial landscaping Residential gardens Urban forestry projects Council streetscapes Mulch ring definition around established trees Specifications Product: Formline Tree Ring Profile Height: 100mm Diameter: 900mm Material Options: Galvanised Steel or Weathering Steel Installation: Ready to install Suitable For: Tree protection, mulch retention, and landscape edging Create a clean, professional finish around your trees with the Formline Tree Ring 100mm x 900mm—available in Galvanised or Weathering Steel to suit any landscaping project.