Cylindrical sandbag made of 1000-denier Cordura that wraps around stand legs and pipes. Its shape prevents lateral slipping better than rectangular sandbags.
Technical Details
Professional tube sandbags are made of double-stitched 1000-denier Cordura fabric with a waterproof PVC coating. The filling material – usually washed quartz sand or steel shot – is kept in separate inner bags to prevent material loss. The industrial hook-and-loop fastener closure mechanism withstands tensile forces up to 200 Newtons. Special variants for cold protection contain propylene glycol additives, remaining flexible down to -20°C. Weight distribution is uniform along the entire tube length, thus avoiding point loads.
History & Development
Matthews Studio Equipment developed the first commercial tube sandbag in 1987 in response to accidents with conventional rectangular sandbags that slipped off round C-stands. The innovation arose after a serious incident on the set of "Wall Street," where a 25-pound sandbag fell from a lighting stand. In 1994, Filmtools introduced the segmented version, which can adapt to various diameters. Modern versions since 2010 utilize recycled materials and modular filling systems.
Practical Use in Film
During exterior shots for "Mad Max: Fury Road" (2015), tube sandbags secured camera rigs against desert winds reaching speeds of up to 80 km/h. Director of Photography John Seale used 15-pound versions on the lower tripod legs and 25-pound versions on the upper booms. In studio productions, they stabilize boom poles and prevent flag stands from tipping over. Due to its shape, the tube sandbag adheres better than rectangular alternatives, but it can slip more easily when wet. Setup takes 15-20 seconds per unit.
Comparison & Alternatives
Unlike standard sandbags, the tube sandbag distributes weight over a larger contact area and cannot slide off sideways. Shot bags (steel shot filling) weigh 30% more for the same volume but are more expensive. Water tanks as an alternative weigh less but freeze in cold weather. Modern gimbal systems are increasingly replacing mechanical weighting with electronic stabilization. In winds above Beaufort force 6, tube sandbags are combined with guy ropes for maximum safety.