Industrial mix broom is the best fill for sweeping concrete.
These brooms feature a outer band of fine PVC fibre to catch fine dust particles around a body of stiffer polypropylene to shift heavier objects such as nails, shavings, stones etc. This synthetic fibre mix has a long service life. Highly suitable for sweeping concrete and other smooth to semi smooth surfaces. It requires a 25mm diameter timber handle. Available in 350mm, 450mm, and 600mm.