What Is DW143 Leakage Testing And Why Do I Need It?

We know the importance of ductwork leakage testing here at Hasman, which is why we offer a nationwide ductwork pressure testing service in accordance with BESA DW143 leakage testing  guidelines. This service places ductwork under fixed pressure to ensure that leakage is not greater than allowable rates stated in BESA DW144. Airtightness is crucial to Read more…