Holloway Houston Blog

For field crews in Houston, choosing the right rental equipment is about more than just checking a catalog.

Rigging operations often use two main types of spreader bars: fixed-length bars (non-Adjustable), designed for specific lifts, and modular systems that adjust to different load sizes.

When rigging professionals review a shackle capacity chart, the relationship between load angle and rated capacity often causes confusion.

Picture a two-leg chain sling spread wide under a steel beam—the legs angling outward from the crane hook, each one carrying more tension than the tag rating might suggest at first glance. That scenario plays out on job sites every day

When a spreader bar is used for lifting heavy loads, the rated capacity stamped on its identification plate represents more than just the strength of the material.

Choosing between renting and purchasing rigging equipment plays a major role in project planning. Many teams commit to purchases without evaluating actual usage patterns, while others continue renting equipment that would create better long-term value if owned.

Wire rope slings are a cornerstone of lifting operations, widely used in construction, fabrication, and industrial settings.

A spreader bar rated at a given capacity in one configuration may perform dangerously differently in another. Change the span, shift the sling angle from horizontal, or swap the end fittings, and the compressive forces driving through the steel change drastically.

Selecting the optimal lifting sling is among the most important decisions a rigging professional makes. While “stronger is always better” is a widespread belief, this oversimplification ignores key variables: the type of load, sensitivity of surfaces, exposure to heat or chemicals, and the nuanced strengths and limitations of each sling material.

A purchasing manager receives technical specifications for a critical lift, calling simply for "synthetic round slings" with a specific capacity.