60% Lighter Than An Equivalent Stone Resin Tray You don't need to overdo it with Hydrolux shower trays, and you certainly don't need two people to carry them like stone resin trays. Even the largest Hydrolux trays can be safely lifted and installed by one person. Mineral Torsion Beams For Extra Rigidity Hydrolux shower trays blend natural minerals and high-tech materials to form torsion beams. These give the shower tray that extra strength and rigidity, making them one of the strongest per square inch. Cut To Fit Edges Stone resin trays aren't just heavy but they're not exactly easy to work with either. Hydrolux shower trays on the other hand can be easily trimmed to size to get around any awkward shapes or edges around your bathroom floor. This gives you far greater flexibility when.