<ul> <li><strong>Nestable:</strong> The simple trapezoidal shape neatly nests one profile into another, allowing more square metres per bundle.</li> <li><strong>Fast laying:</strong> As simple to install as a roof deck, the concrete can soon be poured.</li> <li><strong>Economic:</strong> Relatively low cost and concrete use compared to re-entrant profiles.</li> <li><strong>Efficient to export:</strong> Maximises the square meterage in each container.</li> </ul>