Glasgow Airport Skyhub - 01/Jun/2009 An area of 3,500 m2 cleaned for Balfour Beatty, it was carried out at the new Glasgow Airport Skyhub over 2 weekends to coincide with the official hand over to BAA. The work was carried out on a mixture of ceramic and composite marble tiles. The job was classed as a builders clean and included the removal of some grout haze, light staining and rust marks.