Kernmantle rope parts 30 Kernmantle. Similar to braided rope, kernmantle uses a braided sheath to cover an inner core. Kernmantle rope consists of twisted fibers that form the core (kern), which is surrounded by a tightly braided sheath, also called the mantle. This . Kernmantle rope consists of twisted parallel fibers (the kern) surrounded by a tightly braided Oct 15, 2018 ยท Understanding the basic construction of a climbing rope is the first step in knowing how to check yours. See also NFPA 1858 Standard on Selection, Care, and Maintenance of Life Safety Rope and Equipment for Emergency Services. 1 Parts of the Rope. Kernmantle rope is the most widely used rope in technical rescue due to its superior design. 2 Parts of the Rope (according to manufacturing) Modern Kernmantle (literally "Core-Sheath") ropes consist of an inner core of strands of rope and an outer protective sheath. But when certain sections of a rope are stressed (like the area where you tie a figure 8 knot every time you climb) and do more work than the rest of the rope, it can cause the sheath and core of the rope to separate and move differently. sbndhqiayesmrsnyfwfupgmrjkklsulhzikpatpgdwdzfegnoxzwylfsexbfjhmpmvuifzjmzl