Cabling and Bracing

 
 

 

Historically, tree care experts have used steel cable to secure damaged trees, control structural weaknesses in high-value specimens, as well as reduce risk from hazards. Recent understanding of trees has revealed that in some cases, limbs allowed to move freely will form reaction wood in areas to reduce chances of splitting & other failure. In those circumstances, restrictive cabling could actually lead to weakening of trees that grew dependant on such support. Our arborist examines and evaluates the main trunk and limb crotches for integrity and strength. We look closely for old and new wounds, wind torque cracks, trunk rot, and lightning damage. We employ the best approach for your situation, either static or dynamic cabling systems, to ensure safer trees.

 

The modern dynamic cabling method minimizes the risk of failure at "V crotches". The introduction of a shock absorber into a cabling system allows for a slack cable that is only called upon during extreme loading. During this loading event the shock absorber is activated, thus dampening the jerking effect which otherwise creates excessive loading at cable anchor points. The slack in the cable leaves the support undetected by the tree, so it is not used as a crutch as with permanently rigid steel cables. This allows for reaction wood to form at the week union, permitting the tree to aid with its own inherent defense mechanisms and reduce risk of failure. Growth loops are incorporated into the system, so as the cabled limbs grow in diameter the system stays in check.

 

Static systems incorporate steel cables and/or rods.  These systems are necessary to minimize crown movement after an injury or to support very poor limb/stem attachments.   We use thru bolts for tree cabling and are completely up-to-date with all new and most efficient materials and techniques.  Tree bracing and cabling is an important step in caring for your trees and we stand ready to advise you on the best approach for your situation.

 

       


 

 

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