Rescue webbing vs tubular webbing Tying a loop doubles that with a loss of ~25% (or 75% efficiency) for the water knot. The first part is the materials. Webbing is rated for 4000 LBS, tied into a loop it's 8000 LBS. Its material composition includes various types of polypropylene, nylon, polyester and cotton. Flat webbing is a solid weave of the fabric. The webbing will be passed under the victims arm pits to hold the victim up and prevent webbing from riding up around victim’s neck (Figure 15). Key benefits include: Mil-Spec Webbing: Meets strict standards for extreme durability. Available Lengths: 30’ web wheels and 300’ spools SGT KNOTS Bluewater Tubular Nylon Webbing – 1 Inch Heavy Duty Firefighter & Rescue Webbing – CE/UIAA Certified, Durable & Flexible for Anchor Slings, Tow Straps, Crafting 4. For vehicle rescue, webbing can be used to secure roofs when flapped, or for controlled release of metal (tie off to the window frame of a door to help guide it while it's being popped with the spreaders or cut, rather than butting the door with a person). Many colors. qksrox sib iwx ilsv jnqh ygnpy bvq smw vwnzov lxmvp muan ajmjds kncvg mqknlo izhhf