Sidewalk Root Barrier snake fence Variable surface ADA tiles are

Variable surface ADA tiles are placed in and near sidewalk curb ramps

but under a different name

Surface applied mats are commonly placed on crosswalks

The herbicide used is called Trifluralin

Sidewalk Root Barrier snake fence Variable surface ADA tiles areIf you are looking to protect an area of sidewalk from tree root damage, our Sidewalk Root Barrier can help. This product comes in a flexible roll that can be used horizontally or vertically in both residential or commercial applications. The fabric helps to prevent tree roots from growing in a certain direction. This is accomplished by the use of herbicide nodules called Trifluralin. Trifluralin is safe for the tree, but prevents tree root tip cell