Tree root barrier combination, and method of manufacture

Details Tree root barrier combination, and method of manufacture Tree root barrier combination, and method of manufacture

A - Human Necessities

01

G

A01G 13/00 (2006.01)

Patent

CA 2075538

ABSTRACT A control barrier for preventing damage by tree roots to sidewalks and other structures is disclosed. Unlike some previous techniques for providing such barriers the invention provides by extrusion continuous lengths of control panels which are then sheared into desired lengths, which lengths can be three feet, four feet or more without changing the size or cost of the econom- ical extrusion die. Because the lengths can be long, the panels can be connected together in steeply stairstepped relationship and still have large overlaps and thus highly adequate connecting strengths. The necessity for any connector elements is elimina- ted. This is because the panels are extruded not only with root deflector elements, but with a Tee portion at one edge of each panel and a corresponding groove defining element at the other edge thereof. The panels can be shipped without any assembly, with no chance that there will not be enough (or will be too many) connector elements for the number of panels. Preferably, pairs of panels are preassembled with each other before shipment and storage, to reduce labor at the job site and to make a factory check to be sure that the Tees fit correctly into the grooves.

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