IRONSMITH has the the largest selection of small opening ( less than 1/2") tree grates. We have over thirty standard sizes across our product line and are always happy to make the size you need if you don't see it.
We readily do custom grates without extended lead times.
IRONSMITH offers tree grate styles in 1/4", 3/8" and 1/2" opening widths. 1/4" and 3/8" openings offer greater protection for spike style high healed shoes. 1/2" slot widths are the American's with disabilities Act maximum for gratings in the "accessible pathway" set by the U.S. Access Board
Night illumination adds an exciting dimension to the natural beauty of trees, so many grate designs are available with light wells as an option. Removable covers allow for the installation of sub grade lighting units (as indicated in the specification table for each tree grate). Clear Polycarbonate (Lexan™ )covers are also available on special request. Lightwells can also be used as access ports for irrigation etc. You can find grate options with light wells by selecting it as a criteria in our SEARCH feature.
New Tree grate Luminaire: IRONSMITH is the first to offer an in grate low voltage up light specifically designed to work with our tree grates. TGL SERIES UPLIGHT