Armbury Treer 12mm Arborist Climbing Rope

The Armbury Treer 12 is a 12mm arborist climbing rope built with a tough 16-strand polyester cover, giving you dependable abrasion resistance, a secure grip, and confident knot-holding on every climb. It's EN 1891 Type A certified, so you get a rope engineered to professional safety standards for rope access and tree care work.

Designed for climbers who put in long days in the canopy, the Treer 12 handles knots, hitches, and friction hardware predictably while resisting the wear and tear of daily use. A spliced loop option is available, making it easy to set up for your preferred climbing system without extra rigging work.

Key Features & Benefits

• Durable 16-strand polyester cover for better abrasion resistance on bark, hardware, and rough surfaces
• Easy-grip surface that holds knots securely and reduces slippage
• EN 1891 Type A certified construction for professional rope access and arborist use
• Spliced loop available for faster, simpler rigging setup
• Available in Green/White and Orange/Black so crews can color-code ropes by use or team

Available Lengths & Colors

• 120 ft (37 m)
• 150 ft (46 m)
• 200 ft (61 m)
• 600 ft (183 m)
• Colors: Green/White, Orange/Black

Technical Specifications

• Diameter: 12 mm
• Tenacity: 36 kN
• Tenacity with knots: 20.8 kN
• Impact force: 5.7 kN
• Number of falls: 20
• Elongation: 4.1%
• Shrinkage: 2%
• Sheath slippage: 0.4%
• Sheath percentage: 63%
• Weight: 100 g/m
• Material: PA/PES

Certification & Safety

• Certified to EN 1891 Type A for low-stretch kernmantle ropes used in rope access and rescue
• Inspect the rope before every use and retire it immediately if cut, abraded, or otherwise damaged
• Use only with compatible, properly rated hardware and in line with your organization's safety protocols
• Follow the manufacturer's care and retirement guidelines to maintain certified performance over the rope's service life

About Armbury

Armbury develops equipment for professionals working at height, including rope access technicians, industrial maintenance crews, arborists, and rescue teams. Every product is built to perform consistently in real-world conditions where reliability and safety are non-negotiable.