Bio-Barrier Installation

Mr. Sir · Jan 9, 2009

I finally had a chance to use my "new" root pruner today. I installed the Bio Barrier along this driveway and walkway to deter the live oak roots from growing under the concrete.
I wanted to get some "action" shots, but I was working alone today. Fairly easy job; it took less than 3 hours to do 40 linear feet. The next one should go even faster now that I know what I'm doing.

MasterBlaster · Jan 9, 2009

I've done that, bleagh. Good money, though.

Old Monkey · Jan 9, 2009

Are there holes in that barrier material?

Mr. Sir · Jan 9, 2009

It's a mesh material, similar to the landscape fabric that is supposed to prevent weeds from growing in your veggie garden.

It is porous, but has a slow release herbicide bonded to it.

NeTree · Jan 9, 2009

Looks almost like GeoGrid.

thattreeguy · Jan 9, 2009

hey is that a dosco, or a vermeer tool in the trailer?
Seen one of our crews do it in LA on ficus trees , dosco machine.
I ve thought on of those would be handy, but have been thinking an alpine machine would almost do the same job and grind stumps,
dont know if thats the desired cut on the root though.

How clean is the cut on the roots and how is the healing?

sotc · Jan 9, 2009

how do you bill that? linear foot? how deep does it go?

Mr. Sir · Jan 10, 2009

It's a Dosko. I picked it up at the machinery auction for a great price. Maximum depth is 15" and it 's about a 3" wide trench. It makes a fairly clean cut as long as the teeth are sharp.

Mr. Sir · Jan 10, 2009

I charge a base rate equal to my two hour minimum, plus a per linear foot charge.

okietreedude · Jan 10, 2009

I did some of that several yrs ago. I just used my stump grinder. It didnt go as deep as I needed so I did have to dig out the rest....

Ive also used a trencher to do some. as long as your quite a ways away w/ the trencher, it doesnt tear stuff up too bad.

Husky385 · Jan 15, 2009

Expect a lot of crown die-back on that tree, you'd have been far better off using an Air-Spade and making clean cuts with a silky root saw and loppers, just my opinion..

Husky385 · Jan 15, 2009

Mr. Sir said:
It's a mesh material, similar to the landscape fabric that is supposed to prevent weeds from growing in your veggie garden.

It is porous, but has a slow release herbicide bonded to it.

Why not just use a root deflector, imo putting more chemicals into the rhizoshere, can't be good long term

Mr. Sir · Jan 15, 2009

Husky385 said:
Expect a lot of crown die-back on that tree...just my opinion..

I'll monitor it and let you know how it fares.

Mr. Sir · Jan 15, 2009

Husky385 said:
Why not just use a root deflector...

Florida live oak roots quickly grow under, around, and over root deflectors.

Husky385 · Jan 16, 2009

Mr. Sir said:
Florida live oak roots quickly grow under, around, and over root deflectors.

Gotcha, how long will the herbicide last?

Mr. Sir · Jan 16, 2009

15 years, according to the label. :/:

Bio-Barrier Installation

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