Kits Block is a 4 level, 59 residential unit, over commercial space building. Aspex Energy conducted final occupancy, whole building, air tightness testing utilizing the ASTM E779-19 air testing standard, as per the City of Vancouver Guidelines. Test results showed an average leakage result (across depressurization and pressurization) of 0.771 L/s/m2 @ 75 Pa which met the target modeled rate of 0.79 L/s/m2 @ 75 Pa