The Concentric Model has one of the most comprehensive range of sizes. Its sizes vary from the smallest of 800mm to the largest of 2000mm. It allows the square and circular panels to combine, creating different formations. It is one of the most conventional designs available in the tree-grate industry.

A Supporting Metal-frame is not necessary for smaller tree-grates like 800mm and 1000mm if the construction of the site allows for. When the tree matures, cutting slots within the pattern limits can expand the internal diameter. It has very narrow slots of a mere 6mm in width.

Tree-Grates Catalog

This document provides full detailed information of Jonite® Tree-Grates including installation, models and sizes.

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Tree-Grate Index
This document itemizes all models and lists all features and dimensions.
 

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