Lashing Capacity is one of the most important factors in choosing the correct ratchet strap, yet it is often misunderstood or overlooked. Whether you are securing machinery, pallets, construction materials or lighter commercial loads, knowing how LC works ensures every journey begins and ends safely. This guide explains what LC means, how it relates to Breaking Strength, and why it matters for both safety and compliance.

Although both values appear on strap labels, they serve very different purposes. Breaking Strength describes how much force is required to cause catastrophic failure in a test environment. Lashing Capacity indicates how much force the strap can safely withstand during routine transport. The first number tells you what breaks a strap; the second tells you what keeps a load secure. For that reason, LC is the figure that drivers, operators and inspectors all rely on. 

Why Endless Straps Are Rated LC = BS Endless straps do not use hooks, end-fittings or hardware, so there is no derating of the assembly. Under EN12195-2, the LC of a two-part strap is reduced to account for the weakest point in the system (hooks, stitching, or the ratchet). An endless strap forms a closed loop with no fittings, meaning its strength is determined solely by the webbing and stitching. As a result, its Lashing Capacity is equal to its tested Breaking Strength. This is why endless straps provide the highest usable strength relative to their size and are ideal where full webbing performance is required. 

Selecting the right strap begins with understanding the weight, size and behaviour of the load. Once you know what forces the cargo is likely to generate during transport, you can determine the LC required. The combined LC of all straps securing the load must comfortably exceed the forces acting on it. Checking the label for the LC value in daN, and matching that value to the number of straps used, ensures the restraint system remains within safe limits. This straightforward approach helps prevent overloading, protects equipment and keeps transport operations consistent and predictable. 

Typical LC by Strap Category 

Different strap widths and configurations naturally provide different levels of restraint. Narrower straps, such as 25mm, are suited to lighter loads and internal van work, while 35mm straps are commonly used for general trailer and vehicle securing. The 50mm category covers most heavy-duty needs, including plant machinery and palletised goods, and 75mm straps are used for industrial-scale loads where higher strength and stability are essential. Endless straps provide full strength because they are not derated by hooks or hardware.

Lashing Capacity is central to safe, compliant and professional load securing. It ensures the strap is suitable for the forces it will experience on the road, prevents unnecessary movement, reduces wear on equipment and supports safe vehicle handling. Every Taut-Strap ratchet strap is clearly labelled with its LC and Breaking Strength to make selection quick and reliable. For advice tailored to a specific load or application, the Taut-Strap team is always available to help identify the correct strap for the job.