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TREE CLIMBING HARNESSES
Tree climbing ropes for arborists are typically low-stretch kernmantle ropes adhering to EN 1891 Type A. Their thickness usually ranges from 11mm to 13.5mm. 11mm to 12mm is most common, balancing strength and handling, while thicker ropes offer easier grip. Thinner ropes are lighter for experienced users. Popular brands include Teufelberger, Yale Cordage, PETZL, and Marlow Ropes. The choice depends on personal preference and compatibility with climbing systems and hardware, ensuring crucial arborist safety.
The key difference between general climbing rope and arborist rope is stretch. General climbing ropes are dynamic (EN 892), stretching significantly (up to 40%) to absorb fall forces in rock climbing.
Tree climbing ropes from brands like Petzl, Teufelberger, STEIN, Yale, Marlow, and Courant have a maximum shelf life of 10 years from manufacture (if unused and properly stored). However, their actual service life is far shorter, depending heavily on use frequency, environment, and rope care. Professional arborists often replace ropes annually due to wear. Crucially, any rope showing damage (cuts, core exposure, excessive abrasion) or subjected to a severe load must be retired immediately, regardless of age, ensuring paramount arborist safety.
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