When considering concrete vs gfrc vs metal planters, maintenance is often overlooked. Concrete requires periodic sealing to prevent staining and cracking. GFRC is low-maintenance and resists most environmental damage. Metal planters need coatings to prevent rust, especially in humid or coastal areas. Comparing concrete vs gfrc vs metal planters helps homeowners plan long-term care rou... https://riverartstone.com/blogs/news/concrete-vs-gfrc-vs-metal-planters