Rob Firman, Technical and Specification Manager at RAVATHERM UK – manufacturer of POLYFOAM Extruded Polystyrene (XPS) insulation – highlights the risks of inaccurate U-value calculations and the need for a more rigorous approach during the specification process.
In recent years, the world of construction has seen significant growth in the number of Special Purchase Vehicles (SPV) set up by a number of large businesses to deal with one-off projects.