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Welcome to SHERRILLtree's Learning Center!

Here you will find vital information on Tree Climbing & Tree Rigging. Learn how to tie knots, choose the right chainsaw for the job, Ddrt technique, tree health, rope maintenance, gear inspection and so much more! If you don't see information on a topic that you are interested in let us know! Email us at info@sherrilltree.com with the title Learning Center Topics and we will get the info that you need. Climb Safe!
2018 Vermeer Seminar Schedule

2018 Vermeer Seminar Schedule

Make plans to join us for a day of expert instruction and demonstrations along with a review of the latest tools and equipment. Certified arborists receive 6.5 ISA and TCIA CTSP... read more

 

Learning Center

NATS Chainsaw Training

NATS Presents Chainsaw Train the Trainer. January 31st - February 5th, 2016.  Get certified in Chainsaw Safety and Tree Felling. Learn to become an instructor for Chainsaw Safety and Tree Felling. Learn to teach and train accelerate...

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Gear Check: Carabiners

SHERRILLtree's Brandon Nance walks you through a few things to look for while checking gear. Remember, always consult the manufacture's recommendations on equipment.

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Arborist Hardware

Carabiners, screw links, delta links, rigging rings, ladder snaps and clevises should always be examined closely to insure they are being loaded correctly, are strong enough for the application, and interact favorably with whatever other parts of ...

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Throwline Basics

The mission of SHERRILLtree is to provide tree care professionals and climbers with the widest selection of quality tree gear, helpful information and superior service. Equipped with a passion for trees, SHERRILLtree hopes to inspire a deeper awar...

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Single Rope Technique SRT

While the doubled-rope technique (DdRT) is the preferred method for short ascents and canopy scouting, single rope technique (SRT) is the preferred choice for fast, energy-efficient ascents of 50 feet and higher.

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Secured Footlock

The secured footlock method is simply described, but it requires a bit of practice to learn and to do well. With your body secured to the rope – using a simply-fashioned Prusik loop and a tight grip on both pants or rope – you put one ...

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Bowline Knots

Bowline, Bowline Running & Bowline with a Yosimite Tie Off. The Bowline holds tight during extreme situations, yet unties with minimal effort. Used mostly in rigging situations this quickly tied and untied knot is perhaps our most important to...

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Blake's Hitch

Back in the 90's a California climber named Jason Blake developed the knot that would eventually replace most use of the Taut Line Hitch among tree climbers. The Blake's Hitch has significantly less tendence to "roll out" or otherwise unravel.

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Better Bow Knot

Better because it really works! Simply take an extra turn around the bow when tying your shoes and pull tight. The added friction keeps even the spongy laces from coming untied.

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Gear Inspection

Gear should be inspected before and after each use, according to the manufacturers’ directions. Pay particular attention to cracks on surfaces of ascenders, sharp edges on cams, worn places in harnesses, and cuts in rope.

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