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Quick Overview

Great light and tough alpine ropes.


DMM Couloir 8mm

The Couloir is UIAA Dry treated, light, and with low impact forces, making it an ideal half rope for alpine, trad and winter climbing. The handling characteristics are exceptional – supple and conforming, but with a reassuring firm feel to inspire confidence. The tightly woven sheath helps longevity and also keeps things smooth for belaying, abseiling and clipping.

Rated as half rope for trad and winter climbing - 
Half ropes are used on climbs that wander or traverse, where rope drag would make a single rope impractical. They allow a leader to bring up two seconds at once. Half ropes also allow full length and easily retrievable abseils, invaluable on multi-pitch routes where abseil descent is necessary.

Rated as a twin rope for alpine and ice climbing -
Twin ropes are always used as a pair, and must be clipped into each piece of protection together to achieve their rated strength. They are best use in environments where low weight is key but there is a need for full length abseils, and the pitches follow straighter lines.

The UIAA dry treatment standard dictates that a rope must absorb less than 5% of its total weight in water after light abrasion and 15 minutes soaking. DMM Ropes marked UIAA Dry conform to this standard, and are suitable for use in alpine, winter and wet environments, where they will resist soaking up water and freezing. Dry treatment also extends a ropes lifespan by protecting it against dirt and grit.

ThermoControl heat treatment alters the fibres within the rope, balancing the core and sheath to minimise slippage and prevent the rope shrinking or going stiff. This increases durability, and gives ropes supple handling.

DMM Couloir 8mm features and specifications:

  • 8mm diameter
  • 43g/m
  • UIAA Falls as a half rope - 7
  • UIAA falls as a twin rope - 10.2
  • Impact Force - 6.6kN
  • Sheath proportion 34% 
  • Lightweight half and twin rope ideal for year round use in the mountains
  • UIAA Dry treated for water repellence, improved life and less drag
  • ThermoControl treatment for superb handling and stability
  • Low impact force for soft catches on marginal gear
  • Smooth sheath reduces drag and helps durability

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