Our instruments used are calibrated to national standards and copies of certification are supplied with reports. Our engineers are fully trained in ductwork pressure testing in a variety of sectors, such as operating theatres, education, pharmaceuticals, retail, manufacturing, commercial and residential building sectors.
BESA DW143 outlines the allowable leakage rates for low, medium, and high-class ductwork systems, which is mandatory in ductwork classes B to D.